{"id":6242,"date":"2023-08-23T07:07:25","date_gmt":"2023-08-23T07:07:25","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=6242"},"modified":"2023-09-12T07:45:37","modified_gmt":"2023-09-12T07:45:37","slug":"hoc-python-cho-nguoi-moi-bat-dau","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/","title":{"rendered":"H\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u nh\u01b0 th\u1ebf n\u00e0o? H\u01b0\u1edbng d\u1eabn chi ti\u1ebft"},"content":{"rendered":"\n<p>Python l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau, bao g\u1ed3m l\u1eadp tr\u00ecnh web, ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o. N\u1ebfu b\u1ea1n c\u0169ng \u0111ang quan t\u00e2m \u0111\u1ebfn ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0y v\u00e0 ch\u01b0a bi\u1ebft b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2u, b\u00e0i vi\u1ebft thu\u1ed9c chuy\u00ean m\u1ee5c <a href=\"https:\/\/topviecit.vn\/blog\/chuyen-muc\/chia-se-kinh-nghiem\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Chia s\u1ebb kinh nghi\u1ec7m<\/strong><\/a> n\u00e0y c\u1ee7a <a href=\"https:\/\/topviecit.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>TopviecIT.vn<\/strong><\/a> s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch <strong>h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/strong> chi ti\u1ebft.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Buoc_1_Giai_doan_bat_dau_tim_hieu\" title=\"B\u01b0\u1edbc 1: Giai \u0111o\u1ea1n b\u1eaft \u0111\u1ea7u t\u00ecm hi\u1ec3u\">B\u01b0\u1edbc 1: Giai \u0111o\u1ea1n b\u1eaft \u0111\u1ea7u t\u00ecm hi\u1ec3u<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Buoc_11_Xac_dinh_ly_do_va_dong_luc\" title=\"B\u01b0\u1edbc 1.1: X\u00e1c \u0111\u1ecbnh l\u00fd do v\u00e0 \u0111\u1ed9ng l\u1ef1c\">B\u01b0\u1edbc 1.1: X\u00e1c \u0111\u1ecbnh l\u00fd do v\u00e0 \u0111\u1ed9ng l\u1ef1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Buoc_12_Lam_quen_voi_nhung_khai_niem_co_ban\" title=\"B\u01b0\u1edbc 1.2: L\u00e0m quen v\u1edbi nh\u1eefng kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n\">B\u01b0\u1edbc 1.2: L\u00e0m quen v\u1edbi nh\u1eefng kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Bat_dau_voi_Python\" title=\"B\u1eaft \u0111\u1ea7u v\u1edbi Python\">B\u1eaft \u0111\u1ea7u v\u1edbi Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Tim_hieu_ve_tu_khoa_va_ma_dinh_danh\" title=\"T\u00ecm hi\u1ec3u v\u1ec1 t\u1eeb kh\u00f3a v\u00e0 m\u00e3 \u0111\u1ecbnh danh\">T\u00ecm hi\u1ec3u v\u1ec1 t\u1eeb kh\u00f3a v\u00e0 m\u00e3 \u0111\u1ecbnh danh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Tim_hieu_ve_Python_Comments\" title=\"T\u00ecm hi\u1ec3u v\u1ec1 Python Comments\">T\u00ecm hi\u1ec3u v\u1ec1 Python Comments<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Tim_hieu_ve_Bien_hang_so_chu_trong_Python\" title=\"T\u00ecm hi\u1ec3u v\u1ec1 Bi\u1ebfn, h\u1eb1ng s\u1ed1, ch\u1eef trong Python\">T\u00ecm hi\u1ec3u v\u1ec1 Bi\u1ebfn, h\u1eb1ng s\u1ed1, ch\u1eef trong Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Tim_hieu_ve_Chuyen_doi_kieu_Python\" title=\"T\u00ecm hi\u1ec3u v\u1ec1 Chuy\u1ec3n \u0111\u1ed5i ki\u1ec3u Python\">T\u00ecm hi\u1ec3u v\u1ec1 Chuy\u1ec3n \u0111\u1ed5i ki\u1ec3u Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Tim_hieu_ve_Python_IO\" title=\"T\u00ecm hi\u1ec3u v\u1ec1 Python I\/O\">T\u00ecm hi\u1ec3u v\u1ec1 Python I\/O<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Tim_hieu_ve_toan_tu_Python\" title=\"T\u00ecm hi\u1ec3u v\u1ec1 to\u00e1n t\u1eed Python\">T\u00ecm hi\u1ec3u v\u1ec1 to\u00e1n t\u1eed Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Tim_hieu_ve_Python_Namespace\" title=\"T\u00ecm hi\u1ec3u v\u1ec1 Python Namespace\">T\u00ecm hi\u1ec3u v\u1ec1 Python Namespace<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Buoc_2_Kiem_soat_luong_Python\" title=\"B\u01b0\u1edbc 2: Ki\u1ec3m so\u00e1t lu\u1ed3ng Python\">B\u01b0\u1edbc 2: Ki\u1ec3m so\u00e1t lu\u1ed3ng Python<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Cau_lenh_if%E2%80%A6else\" title=\"C\u00e2u l\u1ec7nh if&#8230;else\">C\u00e2u l\u1ec7nh if&#8230;else<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Vong_lap_Loops_%E2%80%93_trong_vong_lap\" title=\"V\u00f2ng l\u1eb7p (Loops) &#8211; trong v\u00f2ng l\u1eb7p\">V\u00f2ng l\u1eb7p (Loops) &#8211; trong v\u00f2ng l\u1eb7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Python_break_va_continue\" title=\"Python break v\u00e0 continue\">Python break v\u00e0 continue<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Buoc_3_Hoc_ve_ham_Python\" title=\"B\u01b0\u1edbc 3: H\u1ecdc v\u1ec1 h\u00e0m Python\">B\u01b0\u1edbc 3: H\u1ecdc v\u1ec1 h\u00e0m Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Buoc_4_Hoc_ve_Kieu_du_lieu_Python\" title=\"B\u01b0\u1edbc 4: H\u1ecdc v\u1ec1 Ki\u1ec3u d\u1eef li\u1ec7u Python\">B\u01b0\u1edbc 4: H\u1ecdc v\u1ec1 Ki\u1ec3u d\u1eef li\u1ec7u Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Buoc_5_Tim_hieu_ve_Tep_Python\" title=\"B\u01b0\u1edbc 5: T\u00ecm hi\u1ec3u v\u1ec1 T\u1ec7p Python\">B\u01b0\u1edbc 5: T\u00ecm hi\u1ec3u v\u1ec1 T\u1ec7p Python<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Python_File_Operation_Thao_tac_tep\" title=\"Python File Operation (Thao t\u00e1c t\u1ec7p)\">Python File Operation (Thao t\u00e1c t\u1ec7p)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Python_Directory_Thu_muc\" title=\"Python Directory (Th\u01b0 m\u1ee5c)\">Python Directory (Th\u01b0 m\u1ee5c)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Python_Exception_Ngoai_le\" title=\"Python Exception (Ngo\u1ea1i l\u1ec7)\">Python Exception (Ngo\u1ea1i l\u1ec7)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Python_Exception_Handling_Xu_ly_ngoai_le\" title=\"Python Exception Handling (X\u1eed l\u00fd ngo\u1ea1i l\u1ec7)\">Python Exception Handling (X\u1eed l\u00fd ngo\u1ea1i l\u1ec7)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Python_User-defined_Exception\" title=\"Python User-defined Exception\">Python User-defined Exception<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Buoc_6_Doi_tuong_va_lop_trong_Python\" title=\"B\u01b0\u1edbc 6: \u0110\u1ed1i t\u01b0\u1ee3ng v\u00e0 l\u1edbp trong Python\">B\u01b0\u1edbc 6: \u0110\u1ed1i t\u01b0\u1ee3ng v\u00e0 l\u1edbp trong Python<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Python_OOP\" title=\"Python OOP\">Python OOP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Lop_Python\" title=\"L\u1edbp Python\">L\u1edbp Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Ke_thua_trong_Python\" title=\"K\u1ebf th\u1eeba trong Python\">K\u1ebf th\u1eeba trong Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Da_thua_ke_Python\" title=\"\u0110a th\u1eeba k\u1ebf Python\">\u0110a th\u1eeba k\u1ebf Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Qua_tai_toan_tu\" title=\"Qu\u00e1 t\u1ea3i to\u00e1n t\u1eed\">Qu\u00e1 t\u1ea3i to\u00e1n t\u1eed<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Buoc_7_Yeu_to_ngay_gio_trong_Python\" title=\"B\u01b0\u1edbc 7: Y\u1ebfu t\u1ed1 ng\u00e0y gi\u1edd trong Python\">B\u01b0\u1edbc 7: Y\u1ebfu t\u1ed1 ng\u00e0y gi\u1edd trong Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/topviecit.vn\/blog\/hoc-python-cho-nguoi-moi-bat-dau\/#Buoc_8_Nhung_chu_de_nang_cao_trong_Python\" title=\"B\u01b0\u1edbc 8: Nh\u1eefng ch\u1ee7 \u0111\u1ec1 n\u00e2ng cao trong Python\">B\u01b0\u1edbc 8: Nh\u1eefng ch\u1ee7 \u0111\u1ec1 n\u00e2ng cao trong Python<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_1_Giai_doan_bat_dau_tim_hieu\"><\/span><strong>B\u01b0\u1edbc 1: Giai \u0111o\u1ea1n b\u1eaft \u0111\u1ea7u t\u00ecm hi\u1ec3u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Khi h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, b\u1ea1n n\u00ean b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng y\u1ebfu t\u1ed1 nh\u01b0 sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_11_Xac_dinh_ly_do_va_dong_luc\"><\/span><strong>B\u01b0\u1edbc 1.1: X\u00e1c \u0111\u1ecbnh l\u00fd do v\u00e0 \u0111\u1ed9ng l\u1ef1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Tr\u01b0\u1edbc h\u1ebft, ch\u00fang ta h\u00e3y c\u00f9ng xem x\u00e9t l\u00fd do t\u1ea1i sao m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i khi h\u1ecdc <a href=\"https:\/\/topviecit.vn\/blog\/ngon-ngu-lap-trinh-phython-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Python<\/strong><\/a> v\u00e0 \u0111i\u1ec1u g\u00ec c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 ki\u00ean tr\u00ec trong vi\u1ec7c h\u1ecdc ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0y. C\u1ee5 th\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hi\u1ec3u l\u00fd do v\u00ec sao m\u1ecdi ng\u01b0\u1eddi th\u1ea5t b\u1ea1i khi h\u1ecdc: <\/strong>C\u00f3 nhi\u1ec1u l\u00fd do khi\u1ebfn m\u1ecdi ng\u01b0\u1eddi th\u1ea5t b\u1ea1i khi h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u. V\u00ed d\u1ee5 nh\u01b0 thi\u1ebfu ki\u00ean nh\u1eabn, kh\u00f4ng c\u00f3 m\u1ee5c ti\u00eau r\u00f5 r\u00e0ng, kh\u00f4ng c\u00f3 k\u1ebf ho\u1ea1ch h\u1ecdc t\u1eadp, s\u1ee3 th\u1ea5t b\u1ea1i, thi\u1ebfu ngu\u1ed3n t\u00e0i nguy\u00ean h\u1ecdc t\u1eadp,&#8230;<\/li>\n\n\n\n<li><strong>X\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec s\u1ebd th\u00fac \u0111\u1ea9y s\u1ef1 ki\u00ean tr\u00ec c\u1ee7a b\u1ea1n:<\/strong> V\u00ed d\u1ee5 nh\u01b0 c\u00f3 m\u1ee5c ti\u00eau r\u00f5 r\u00e0ng, c\u00f3 k\u1ebf ho\u1ea1ch h\u1ecdc t\u1eadp hi\u1ec7u qu\u1ea3, ni\u1ec1m \u0111am m\u00ea v\u1edbi l\u1eadp tr\u00ecnh, h\u1ecdc t\u1eadp theo \u0111\u1ed9i nh\u00f3m,&#8230;<\/li>\n<\/ul>\n\n\n\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/lap-trinh-game-bang-python\/\" target=\"_blank\" rel=\"noreferrer noopener\">L\u1eadp tr\u00ecnh game b\u1eb1ng Python l\u00e0 g\u00ec? Nh\u1eefng t\u1ef1a game kinh \u0111i\u1ec3n<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-1.jpg\" alt=\"B\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u1ed9ng l\u1ef1c gi\u00fap b\u1ea1n duy tr\u00ec qu\u00e1 tr\u00ecnh h\u1ecdc Python\" class=\"wp-image-6258\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-1.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-1-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-1-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>B\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u1ed9ng l\u1ef1c gi\u00fap b\u1ea1n duy tr\u00ec qu\u00e1 tr\u00ecnh h\u1ecdc Python<\/em><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_12_Lam_quen_voi_nhung_khai_niem_co_ban\"><\/span><strong>B\u01b0\u1edbc 1.2: L\u00e0m quen v\u1edbi nh\u1eefng kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Sau khi \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c l\u00fd do v\u00e0 \u0111\u1ed9ng l\u1ef1c \u0111\u1ec3 h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u h\u1ecdc Python v\u1edbi nh\u1eefng b\u01b0\u1edbc c\u01a1 b\u1ea3n sau:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bat_dau_voi_Python\"><\/span><strong>B\u1eaft \u0111\u1ea7u v\u1edbi Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u0110\u1ec3 b\u1eaft \u0111\u1ea7u v\u1edbi Python, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng 2 c\u00e1ch sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1ch 1: <\/strong>T\u1ea3i xu\u1ed1ng <a href=\"https:\/\/thonny.org\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Thonny IDE<\/strong><\/a> v\u00e0 c\u00e0i \u0111\u1eb7t v\u00e0o m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n.<\/li>\n\n\n\n<li><strong>C\u00e1ch 2:<\/strong> C\u00e0i \u0111\u1eb7t <a href=\"https:\/\/www.python.org\/downloads\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Python ri\u00eang<\/strong><\/a> theo h\u01b0\u1edbng d\u1eabn t\u1ea1i website ch\u00ednh th\u1ee9c c\u1ee7a ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0y.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_ve_tu_khoa_va_ma_dinh_danh\"><\/span><strong>T\u00ecm hi\u1ec3u v\u1ec1 t\u1eeb kh\u00f3a v\u00e0 m\u00e3 \u0111\u1ecbnh danh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Trong Python, <strong>t\u1eeb kh\u00f3a (keywords) <\/strong>l\u00e0 nh\u1eefng t\u1eeb \u0111\u00e3 \u0111\u01b0\u1ee3c d\u00e0nh ri\u00eang v\u00e0 c\u00f3 \u00fd ngh\u0129a \u0111\u1eb7c bi\u1ec7t trong <a href=\"https:\/\/topviecit.vn\/blog\/ngon-ngu-lap-trinh\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh<\/strong><\/a>. Ch\u00fang kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1eb7t t\u00ean cho c\u00e1c bi\u1ebfn, h\u00e0m ho\u1eb7c l\u1edbp trong ch\u01b0\u01a1ng tr\u00ecnh. T\u1eeb kh\u00f3a th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng c\u1ed1 \u0111\u1ecbnh trong ng\u00f4n ng\u1eef.<\/p>\n\n\n\n<p class=\"has-text-align-center has-vivid-red-color has-text-color\"><strong>D\u1ea1nh s\u00e1ch t\u1eeb kh\u00f3a Python tham kh\u1ea3o<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><code>False<\/code><\/td><td><code>await<\/code><\/td><td><code>else<\/code><\/td><td><code>import<\/code><\/td><td><code>pass<\/code><\/td><\/tr><tr><td><code>None<\/code><\/td><td><code>break<\/code><\/td><td><code>except<\/code><\/td><td><code>in<\/code><\/td><td><code>raise<\/code><\/td><\/tr><tr><td><code>True<\/code><\/td><td><code>class<\/code><\/td><td><code>finally<\/code><\/td><td><code>is<\/code><\/td><td><code>return<\/code><\/td><\/tr><tr><td><code>and<\/code><\/td><td><code>continue<\/code><\/td><td><code>for<\/code><\/td><td><code>lambda<\/code><\/td><td><code>try<\/code><\/td><\/tr><tr><td><code>as<\/code><\/td><td><code>def<\/code><\/td><td><code>from<\/code><\/td><td><code>nonlocal<\/code><\/td><td><code>while<\/code><\/td><\/tr><tr><td><code>assert<\/code><\/td><td><code>del<\/code><\/td><td><code>global<\/code><\/td><td><code>not<\/code><\/td><td><code>with<\/code><\/td><\/tr><tr><td><code>async<\/code><\/td><td><code>elif<\/code><\/td><td><code>if<\/code><\/td><td><code>or<\/code><\/td><td><code>yield<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-2.jpg\" alt=\"B\u1ea3ng t\u1eeb kh\u00f3a Python tham kh\u1ea3o\" class=\"wp-image-6257\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-2.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-2-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-2-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>B\u1ea3ng t\u1eeb kh\u00f3a Python tham kh\u1ea3o<\/em><\/figcaption><\/figure><\/div>\n\n\n<p><strong>M\u00e3 \u0111\u1ecbnh danh (identifiers)<\/strong> l\u00e0 t\u00ean m\u00e0 b\u1ea1n \u0111\u1eb7t cho bi\u1ebfn, h\u00e0m, l\u1edbp ho\u1eb7c c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c trong ch\u01b0\u01a1ng tr\u00ecnh. M\u00e3 \u0111\u1ecbnh danh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 truy c\u1eadp c\u00e1c th\u1ef1c th\u1ec3 trong m\u00e3 ngu\u1ed3n c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p>C\u00f3 m\u1ed9t s\u1ed1 quy t\u1eafc v\u00e0 quy \u01b0\u1edbc m\u00e0 b\u1ea1n c\u1ea7n tu\u00e2n theo khi \u0111\u1eb7t t\u00ean cho m\u00e3 \u0111\u1ecbnh danh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00e3 \u0111\u1ecbnh danh c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t ch\u1eef c\u00e1i (a \u0111\u1ebfn z ho\u1eb7c A \u0111\u1ebfn Z) ho\u1eb7c m\u1ed9t d\u1ea5u g\u1ea1ch d\u01b0\u1edbi (_).<\/li>\n\n\n\n<li>C\u00e1c k\u00fd t\u1ef1 ti\u1ebfp theo c\u00f3 th\u1ec3 l\u00e0 ch\u1eef, d\u1ea5u g\u1ea1ch d\u01b0\u1edbi ho\u1eb7c s\u1ed1 (0 \u0111\u1ebfn 9).<\/li>\n\n\n\n<li>Python l\u00e0 ng\u00f4n ng\u1eef ph\u00e2n bi\u1ec7t ch\u1eef hoa ch\u1eef th\u01b0\u1eddng, ngh\u0129a l\u00e0 <code>MyVariable<\/code> v\u00e0 <code>myvariable<\/code> l\u00e0 hai m\u00e3 \u0111\u1ecbnh danh kh\u00e1c nhau.<\/li>\n\n\n\n<li>T\u1eeb kho\u00e1 c\u1ee7a Python kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m m\u00e3 \u0111\u1ecbnh danh.<\/li>\n\n\n\n<li>Kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t nh\u01b0 <strong>!<\/strong>,&nbsp;<strong>@<\/strong>,&nbsp;<strong>#<\/strong>,&nbsp;<strong>$<\/strong>, v.vv<\/li>\n<\/ul>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 m\u00e3 \u0111\u1ecbnh danh h\u1ee3p l\u1ec7 v\u00e0 kh\u00f4ng h\u1ee3p l\u1ec7:<\/p>\n\n\n\n<p>\u2705 <strong>H\u1ee3p l\u1ec7<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>myVariable = 10<br>_my_private_var = &#8220;private&#8221;<br>UserAge = 20<br>user_name = &#8220;Alice&#8221;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u274c <strong>Kh\u00f4ng h\u1ee3p l\u1ec7<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>B\u1eaft \u0111\u1ea7u b\u1eb1ng s\u1ed1<br>123abc = 10<br><br>Ch\u1ee9a k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t (-)<br>user-name = &#8220;Bob&#8221;<br><br>S\u1eed d\u1ee5ng t\u1eeb kho\u00e1 c\u1ee7a Python<br>for = 20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong th\u1ef1c t\u1ebf, vi\u1ec7c \u0111\u1eb7t t\u00ean cho m\u00e3 \u0111\u1ecbnh danh n\u00ean theo m\u1ed9t s\u1ed1 quy \u01b0\u1edbc \u0111\u1ec3 code d\u1ec5 \u0111\u1ecdc h\u01a1n, v\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00ean bi\u1ebfn th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u b\u1eb1ng ch\u1eef th\u01b0\u1eddng v\u00e0 s\u1eed d\u1ee5ng <code>snake_case<\/code> (v\u00ed d\u1ee5: <code>user_age<\/code>, <code>max_value<\/code>).<\/li>\n\n\n\n<li>T\u00ean l\u1edbp th\u01b0\u1eddng s\u1eed d\u1ee5ng <code>CamelCase<\/code> (v\u00ed d\u1ee5: <code>UserAccount<\/code>, <code>DatabaseConnection<\/code>).<\/li>\n\n\n\n<li>T\u00ean h\u00e0m c\u0169ng n\u00ean s\u1eed d\u1ee5ng <code>snake_case<\/code> (v\u00ed d\u1ee5: <code>calculate_average()<\/code>, <code>get_user_data()<\/code>).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-3.jpg\" alt=\"V\u00ed d\u1ee5 v\u1ec1 m\u00e3 \u0111\u1ecbnh danh trong Python\" class=\"wp-image-6256\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-3.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-3-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-3-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>V\u00ed d\u1ee5 v\u1ec1 m\u00e3 \u0111\u1ecbnh danh trong Python<\/em><\/figcaption><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_ve_Python_Comments\"><\/span><strong>T\u00ecm hi\u1ec3u v\u1ec1 Python Comments<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Python Comments c\u00e1c \u0111o\u1ea1n v\u0103n b\u1ea3n \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong m\u00e3 ngu\u1ed3n nh\u1eb1m gi\u1ea3i th\u00edch, m\u00f4 t\u1ea3 ho\u1eb7c l\u00e0m cho m\u00e3 tr\u1edf n\u00ean d\u1ec5 \u0111\u1ecdc h\u01a1n cho ng\u01b0\u1eddi \u0111\u1ecdc. Trong Python s\u1ebd c\u00f3 2 d\u1ea1ng b\u00ecnh lu\u1eadn ch\u00ednh l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nh\u1eadn x\u00e9t m\u1ed9t d\u00f2ng:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u00eam b\u00ecnh lu\u1eadn tr\u00ean m\u1ed9t d\u00f2ng c\u1ee5 th\u1ec3 c\u1ee7a m\u00e3. \u0110\u1ec3 b\u1eaft \u0111\u1ea7u nh\u1eadn x\u00e9t b\u1ea1n s\u1eed d\u1ee5ng <strong>\u201c#\u201d<\/strong>.<\/li>\n\n\n\n<li><strong>Nh\u1eadn x\u00e9t nhi\u1ec1u d\u00f2ng: <\/strong>D\u00f9ng \u0111\u1ec3 th\u00eam b\u00ecnh lu\u1eadn tr\u00ean nhi\u1ec1u d\u00f2ng. M\u1ed9t c\u00e1ch th\u00f4ng th\u01b0\u1eddng l\u00e0 s\u1eed d\u1ee5ng <strong>c\u1eb7p ba d\u1ea5u nh\u00e1y \u0111\u01a1n<\/strong> ho\u1eb7c <strong>ba d\u1ea5u nh\u00e1y k\u00e9p<\/strong> \u0111\u1ec3 bao quanh \u0111o\u1ea1n b\u00ecnh lu\u1eadn.<\/li>\n<\/ul>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng comment trong Python:<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>Comment tr\u00ean m\u1ed9t d\u00f2ng ri\u00eang<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td># \u0110\u00e2y l\u00e0 m\u1ed9t comment tr\u00ean m\u1ed9t d\u00f2ng ri\u00eang<br>print(&#8220;Hello, World!&#8221;)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>Comment cu\u1ed1i d\u00f2ng<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>x = 5 # G\u00e1n gi\u00e1 tr\u1ecb 5 cho bi\u1ebfn x<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>S\u1eed d\u1ee5ng comment tr\u00ean nhi\u1ec1u d\u00f2ng<\/strong>: M\u1eb7c d\u00f9 Python kh\u00f4ng h\u1ed7 tr\u1ee3 comment tr\u00ean nhi\u1ec1u d\u00f2ng nh\u01b0 m\u1ed9t s\u1ed1 ng\u00f4n ng\u1eef kh\u00e1c, nh\u01b0ng b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng d\u1ea5u th\u0103ng (<code>#<\/code>) tr\u00ean m\u1ed7i d\u00f2ng ho\u1eb7c s\u1eed d\u1ee5ng chu\u1ed7i ba d\u1ea5u ngo\u1eb7c k\u00e9p (<code>\"\"\"<\/code>) m\u1eb7c d\u00f9 n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng cho docstrings.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td># \u0110\u00e2y l\u00e0 m\u1ed9t comment<br># \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u d\u00f2ng<br># v\u00e0 m\u1ed7i d\u00f2ng \u0111\u1ec1u b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t d\u1ea5u th\u0103ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>H\u00e3y nh\u1edb r\u1eb1ng, m\u1eb7c d\u00f9 comment r\u1ea5t h\u1eefu \u00edch, nh\u01b0ng vi\u1ec7c s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u comment ho\u1eb7c vi\u1ebft comment kh\u00f4ng c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 khi\u1ebfn m\u00e3 ngu\u1ed3n tr\u1edf n\u00ean r\u1ed1i v\u00e0 kh\u00f3 \u0111\u1ecdc.<\/p>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <\/strong><a href=\"https:\/\/topviecit.vn\/blog\/hoc-python-de-lam-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>H\u1ecdc Python \u0111\u1ec3 l\u00e0m g\u00ec v\u00e0 t\u1ea1i sao n\u00ean h\u1ecdc ng\u00f4n ng\u1eef n\u00e0y<\/strong><\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_ve_Bien_hang_so_chu_trong_Python\"><\/span><strong>T\u00ecm hi\u1ec3u v\u1ec1 Bi\u1ebfn, h\u1eb1ng s\u1ed1, ch\u1eef trong Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Trong Python, bi\u1ebfn (variables), h\u1eb1ng s\u1ed1 (constants) v\u00e0 c\u00e1c gi\u00e1 tr\u1ecb ch\u1eef (literals) l\u00e0 c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n li\u00ean quan \u0111\u1ebfn l\u01b0u tr\u1eef v\u00e0 s\u1eed d\u1ee5ng d\u1eef li\u1ec7u. Trong \u0111\u00f3:<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>Bi\u1ebfn (Variables): <\/strong>L\u00e0 c\u00e1c t\u00ean m\u00e0 b\u1ea1n s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u. \u0110\u1ec3 t\u1ea1o bi\u1ebfn, b\u1ea1n c\u1ea7n \u0111\u1eb7t t\u00ean cho bi\u1ebfn v\u00e0 g\u00e1n gi\u00e1 tr\u1ecb cho n\u00f3.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>x = 5<br>y = &#8220;Hello, World!&#8221;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u1ede \u0111\u00e2y, &#8220;<code>x<\/code>&#8221; v\u00e0 &#8220;<code>y<\/code>&#8221; l\u00e0 t\u00ean c\u1ee7a hai bi\u1ebfn. &#8220;<code>x<\/code>&#8221; l\u01b0u tr\u1eef gi\u00e1 tr\u1ecb s\u1ed1 <code>5<\/code> v\u00e0 &#8220;<code>y<\/code>&#8221; l\u01b0u tr\u1eef chu\u1ed7i &#8220;Hello, World!&#8221;.<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>H\u1eb1ng s\u1ed1 (Constants): <\/strong>Trong Python, kh\u00f4ng c\u00f3 kh\u00e1i ni\u1ec7m h\u1eb1ng s\u1ed1 m\u1ed9t c\u00e1ch t\u01b0\u1eddng minh nh\u01b0 trong m\u1ed9t s\u1ed1 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c. Tuy nhi\u00ean, b\u1ea1n c\u00f3 th\u1ec3 coi c\u00e1c bi\u1ebfn m\u00e0 gi\u00e1 tr\u1ecb kh\u00f4ng thay \u0111\u1ed5i su\u1ed1t th\u1eddi gian l\u00e0 h\u1eb1ng s\u1ed1 \u1ea3o.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>PI = 3.141592653589793<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u1ede \u0111\u00e2y, PI l\u00e0 m\u1ed9t bi\u1ebfn \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean theo c\u00e1ch th\u00f4ng th\u01b0\u1eddng d\u00f9ng cho h\u1eb1ng s\u1ed1 v\u00e0 ch\u00fang ta gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 kh\u00f4ng n\u00ean thay \u0111\u1ed5i trong ch\u01b0\u01a1ng tr\u00ecnh.<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>Gi\u00e1 tr\u1ecb ch\u1eef (Literals): <\/strong>Literals l\u00e0 c\u00e1c gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y tr\u1ef1c ti\u1ebfp trong m\u00e3 ngu\u1ed3n. Ch\u1eb3ng h\u1ea1n, m\u1ed9t s\u1ed1 nguy\u00ean, s\u1ed1 th\u1ef1c, chu\u1ed7i hay gi\u00e1 tr\u1ecb boolean \u0111\u1ec1u l\u00e0 c\u00e1c v\u00ed d\u1ee5 v\u1ec1 gi\u00e1 tr\u1ecb ch\u1eef.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>chuoi1 = &#8216;Xin ch\u00e0o&#8217;<br>chuoi2 = &#8220;\u0110\u00e2y l\u00e0 Python&#8221;<br>chuoi3 = &#8221;&#8217;\u0110\u00e2y l\u00e0 m\u1ed9t chu\u1ed7i<br>nhi\u1ec1u d\u00f2ng<br>trong Python.&#8221;&#8217;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u1ede \u0111\u00e2y, chuoi1, chuoi2 v\u00e0 chuoi3 \u0111\u1ec1u l\u00e0 c\u00e1c bi\u1ebfn l\u01b0u tr\u1eef chu\u1ed7i k\u00fd t\u1ef1.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-4.jpg\" alt=\"V\u00ed d\u1ee5 v\u1ec1 Bi\u1ebfn, h\u1eb1ng s\u1ed1, ch\u1eef trong Python\" class=\"wp-image-6255\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-4.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-4-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-4-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>V\u00ed d\u1ee5 v\u1ec1 Bi\u1ebfn, h\u1eb1ng s\u1ed1, ch\u1eef trong Python<\/em><\/figcaption><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_ve_Chuyen_doi_kieu_Python\"><\/span><strong>T\u00ecm hi\u1ec3u v\u1ec1 Chuy\u1ec3n \u0111\u1ed5i ki\u1ec3u Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Chuy\u1ec3n \u0111\u1ed5i ki\u1ec3u d\u1eef li\u1ec7u (Type conversion) trong Python l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c ki\u1ec3u d\u1eef li\u1ec7u kh\u00e1c nhau. Khi b\u1ea1n mu\u1ed1n th\u1ef1c hi\u1ec7n m\u1ed9t ph\u00e9p to\u00e1n ho\u1eb7c thao t\u00e1c n\u00e0o \u0111\u00f3 tr\u00ean c\u00e1c bi\u1ebfn c\u00f3 ki\u1ec3u d\u1eef li\u1ec7u kh\u00e1c nhau, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n chuy\u1ec3n \u0111\u1ed5i ch\u00fang sang c\u00f9ng m\u1ed9t ki\u1ec3u d\u1eef li\u1ec7u \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c t\u01b0\u01a1ng t\u00e1c mong mu\u1ed1n. Python cung c\u1ea5p m\u1ed9t s\u1ed1 h\u00e0m \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i ki\u1ec3u d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p class=\"has-text-align-center has-vivid-red-color has-text-color\"><strong>Danh s\u00e1ch c\u00e1c d\u1eef li\u1ec7u trong Python<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Ki\u1ec3u D\u1eef Li\u1ec7u<\/strong><\/th><th><strong>L\u1edbp<\/strong><\/th><th>M\u00f4 T\u1ea3<\/th><\/tr><\/thead><tbody><tr><td>Numeric<\/td><td>int, float, complex<\/td><td>ch\u1ee9a gi\u00e1 tr\u1ecb s\u1ed1<\/td><\/tr><tr><td>String<\/td><td>str<\/td><td>ch\u1ee9a chu\u1ed7i k\u00fd t\u1ef1<\/td><\/tr><tr><td>Sequence<\/td><td>list, tuple, range<\/td><td>ch\u1ee9a t\u1eadp h\u1ee3p c\u00e1c m\u1ee5c<\/td><\/tr><tr><td>Mapping<\/td><td>dict<\/td><td>ch\u1ee9a d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng c\u1eb7p kh\u00f3a-gi\u00e1 tr\u1ecb<\/td><\/tr><tr><td>Boolean<\/td><td>bool<\/td><td>ch\u1ee9a gi\u00e1 tr\u1ecb \u0110\u00fang ho\u1eb7c Sai<\/td><\/tr><tr><td>Set<\/td><td>set, frozenset<\/td><td>ch\u1ee9a t\u1eadp h\u1ee3p c\u00e1c m\u1ee5c duy nh\u1ea5t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>M\u1ed9t s\u1ed1 h\u00e0m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i ki\u1ec3u d\u1eef li\u1ec7u trong Python:<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>Chuy\u1ec3n \u0111\u1ed5i sang <code>int<\/code> (s\u1ed1 nguy\u00ean)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>x = &#8220;123&#8221;<br>y = int(x)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>Chuy\u1ec3n \u0111\u1ed5i sang <code>float<\/code> (s\u1ed1 th\u1ef1c)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>x = &#8220;123.45&#8221;<br>y = float(x)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>Chuy\u1ec3n \u0111\u1ed5i sang <code>str<\/code> (chu\u1ed7i)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>x = 123<br>y = str(x)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>Chuy\u1ec3n \u0111\u1ed5i sang <code>list<\/code> (danh s\u00e1ch)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>x = &#8220;hello&#8221;<br>y = list(x) # [&#8216;h&#8217;, &#8216;e&#8217;, &#8216;l&#8217;, &#8216;l&#8217;, &#8216;o&#8217;]<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>Chuy\u1ec3n \u0111\u1ed5i sang <code>tuple<\/code> (b\u1ed9 gi\u00e1 tr\u1ecb)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>x = [1, 2, 3]<br>y = tuple(x) # (1, 2, 3)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>Chuy\u1ec3n \u0111\u1ed5i sang <code>set<\/code> (t\u1eadp h\u1ee3p)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>x = [1, 2, 2, 3]<br>y = set(x) # {1, 2, 3}<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>Chuy\u1ec3n \u0111\u1ed5i t\u1eeb <code>list<\/code>, <code>tuple<\/code> ho\u1eb7c <code>set<\/code> sang <code>dict<\/code> (t\u1eeb \u0111i\u1ec3n)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>keys = [&#8220;a&#8221;, &#8220;b&#8221;, &#8220;c&#8221;]<br>values = [1, 2, 3]<br>dictionary = dict(zip(keys, values)) # {&#8216;a&#8217;: 1, &#8216;b&#8217;: 2, &#8216;c&#8217;: 3}<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>L\u01b0u \u00fd r\u1eb1ng khi chuy\u1ec3n \u0111\u1ed5i ki\u1ec3u d\u1eef li\u1ec7u, b\u1ea1n c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i m\u1ed9t c\u00e1ch h\u1ee3p l\u1ec7. V\u00ed d\u1ee5, b\u1ea1n kh\u00f4ng th\u1ec3 chuy\u1ec3n \u0111\u1ed5i chu\u1ed7i <code>\"hello\"<\/code> sang m\u1ed9t s\u1ed1 nguy\u00ean ho\u1eb7c s\u1ed1 th\u1ef1c, v\u00e0 khi th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i nh\u01b0 v\u1eady s\u1ebd g\u00e2y ra l\u1ed7i.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-5.jpg\" alt=\"M\u1ed9t s\u1ed1 h\u00e0m chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u01b0\u1eddng g\u1eb7p\" class=\"wp-image-6254\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-5.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-5-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-5-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>M\u1ed9t s\u1ed1 h\u00e0m chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u01b0\u1eddng g\u1eb7p<\/em><\/figcaption><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_ve_Python_IO\"><\/span><strong>T\u00ecm hi\u1ec3u v\u1ec1 Python I\/O<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Python Basic Input and Output (I\/O) l\u00e0 c\u00e1ch b\u1ea1n t\u01b0\u01a1ng t\u00e1c v\u1edbi ch\u01b0\u01a1ng tr\u00ecnh b\u1eb1ng c\u00e1ch nh\u1eadp d\u1eef li\u1ec7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng (input) v\u00e0 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u ra m\u00e0n h\u00ecnh (output). \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 t\u1ea1o ra c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh t\u01b0\u01a1ng t\u00e1c v\u00e0 l\u00e0m cho ch\u01b0\u01a1ng tr\u00ecnh tr\u1edf n\u00ean h\u1eefu \u00edch h\u01a1n. Trong \u0111\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Input (Nh\u1eadp d\u1eef li\u1ec7u):<\/strong> B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m <strong>input()<\/strong> \u0111\u1ec3 l\u1ea5y d\u1eef li\u1ec7u nh\u1eadp t\u1eeb ng\u01b0\u1eddi d\u00f9ng. H\u00e0m n\u00e0y \u0111\u1ecdc d\u1eef li\u1ec7u nh\u1eadp t\u1eeb b\u00e0n ph\u00edm d\u01b0\u1edbi d\u1ea1ng chu\u1ed7i v\u00e0 tr\u1ea3 v\u1ec1 gi\u00e1 tr\u1ecb c\u1ee7a chu\u1ed7i \u0111\u00f3.<\/li>\n\n\n\n<li><strong>Output (Xu\u1ea5t d\u1eef li\u1ec7u):<\/strong> \u0110\u1ec3 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u ra m\u00e0n h\u00ecnh, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m <strong>print()<\/strong>. H\u00e0m n\u00e0y cho ph\u00e9p b\u1ea1n hi\u1ec3n th\u1ecb nhi\u1ec1u gi\u00e1 tr\u1ecb c\u00f9ng m\u1ed9t l\u00fac v\u00e0 th\u00eam c\u00e1c chu\u1ed7i, bi\u1ebfn ho\u1eb7c bi\u1ec3u th\u1ee9c v\u00e0o trong chu\u1ed7i hi\u1ec3n th\u1ecb.<\/li>\n<\/ul>\n\n\n\n<p><strong><em>V\u00ed d\u1ee5<\/em><\/strong>: \u0110\u1ecdc t\u1eeb b\u00e0n ph\u00edm (input) v\u00e0 hi\u1ec3n th\u1ecb ra m\u00e0n h\u00ecnh (output)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>name = input(&#8220;Nh\u1eadp t\u00ean c\u1ee7a b\u1ea1n: &#8220;)<br>print(&#8220;Xin ch\u00e0o, &#8221; + name + &#8220;!&#8221;)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <\/strong><a href=\"https:\/\/topviecit.vn\/blog\/chung-chi-python\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Ch\u1ee9ng ch\u1ec9 Python l\u00e0 g\u00ec? Top c\u00e1c ch\u1ee9ng ch\u1ec9 Python hi\u1ec7n nay<\/strong><\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_ve_toan_tu_Python\"><\/span><strong>T\u00ecm hi\u1ec3u v\u1ec1 to\u00e1n t\u1eed Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Trong Python, &#8220;operators&#8221; (to\u00e1n t\u1eed) l\u00e0 c\u00e1c k\u00fd hi\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh v\u00e0 thao t\u00e1c tr\u00ean c\u00e1c gi\u00e1 tr\u1ecb ho\u1eb7c bi\u1ebfn. C\u00e1c to\u00e1n t\u1eed cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh s\u1ed1 h\u1ecdc, so s\u00e1nh, logic v\u00e0 c\u00e1c ph\u00e9p to\u00e1n kh\u00e1c trong ch\u01b0\u01a1ng tr\u00ecnh. Trong Python c\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i to\u00e1n t\u1eed nh\u01b0 sau:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-10.jpg\" alt=\"T\u00ecm hi\u1ec3u to\u00e1n t\u1eed trong Python\" class=\"wp-image-6396\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-10.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-10-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-10-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>T\u00ecm hi\u1ec3u to\u00e1n t\u1eed trong Python<\/em><\/figcaption><\/figure><\/div>\n\n\n<p>\ud83d\udc49 <strong>To\u00e1n t\u1eed s\u1ed1 h\u1ecdc<\/strong> (<strong>Arithmetic Operators<\/strong>)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>a = 10<br>b = 3<br><br>print(a + b) # C\u1ed9ng: 13<br>print(a &#8211; b) # Tr\u1eeb: 7<br>print(a * b) # Nh\u00e2n: 30<br>print(a \/ b) # Chia: 3.3333\u2026<br>print(a % b) # Chia l\u1ea5y ph\u1ea7n d\u01b0: 1<br>print(a ** b) # L\u0169y th\u1eeba: 1000<br>print(a \/\/ b) # Chia l\u1ea5y ph\u1ea7n nguy\u00ean: 3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>To\u00e1n t\u1eed g\u00e1n<\/strong> (<strong>Assignment Operators<\/strong>)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>c = a + b # G\u00e1n: c = 13<br>c += a # c = c + a, gi\u1edd c = 23<br>c -= b # c = c &#8211; b, gi\u1edd c = 20<br>T\u01b0\u01a1ng t\u1ef1 cho *=, \/=, %=, **=, \/\/=<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>To\u00e1n t\u1eed so s\u00e1nh (Comparison Operators)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>print(a == b) # B\u1eb1ng: False<br>print(a != b) # Kh\u00f4ng b\u1eb1ng: True<br>print(a &gt; b) # L\u1edbn h\u01a1n: True<br>print(a &lt; b) # Nh\u1ecf h\u01a1n: False print(a &gt;= b) # L\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng: True<br>print(a &lt;= b) # Nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng: False<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>To\u00e1n t\u1eed logic (Logical Operators)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>x = True<br>y = False<br><br>print(x and y) # V\u00e0: False<br>print(x or y) # Ho\u1eb7c: True<br>print(not x) # Ph\u1ee7 \u0111\u1ecbnh: False<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>To\u00e1n t\u1eed Bitwise (Bitwise Operators)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>print(a &amp; b) # V\u00e0 bit-wise: 2<br>print(a | b) # Ho\u1eb7c bit-wise: 11<br>print(a ^ b) # XOR bit-wise: 9<br>print(~a) # Ph\u1ee7 \u0111\u1ecbnh bit-wise: -11 (\u0110\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c bit)<br>print(a &lt;&lt; 2) # D\u1ecbch tr\u00e1i: 40 print(a &gt;&gt; 2) # D\u1ecbch ph\u1ea3i: 2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udc49 <strong>To\u00e1n t\u1eed th\u00e0nh vi\u00ean (Membership Operators)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>lst = [1, 2, 3, 4, 5]<br>print(3 in lst) # True<br>print(6 not in lst) # True<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/back-end-python\/\" target=\"_blank\" rel=\"noreferrer noopener\">TOP 4 Framework Back End Python Ph\u1ed5 Bi\u1ebfn N\u0103m 2023<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-6.jpg\" alt=\" To\u00e1n t\u1eed l\u00e0 m\u1ed9t trong nh\u1eefng ki\u1ebfn th\u1ee9c h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u\" class=\"wp-image-6253\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-6.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-6-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-6-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em> To\u00e1n t\u1eed l\u00e0 m\u1ed9t trong nh\u1eefng ki\u1ebfn th\u1ee9c h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/em><\/figcaption><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_ve_Python_Namespace\"><\/span><strong>T\u00ecm hi\u1ec3u v\u1ec1 Python Namespace<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Trong Python, &#8220;namespace&#8221; (kh\u00f4ng gian t\u00ean) l\u00e0 m\u1ed9t b\u1ed9 s\u01b0u t\u1eadp c\u00e1c t\u00ean \u0111\u1ecbnh danh (bi\u1ebfn, h\u00e0m, l\u1edbp, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c) m\u00e0 b\u1ea1n \u0111\u00e3 t\u1ea1o trong m\u1ed9t ph\u1ea1m vi c\u1ee5 th\u1ec3. M\u1ed7i kh\u1ed1i m\u00e3 ho\u1eb7c m\u00f4-\u0111un trong ch\u01b0\u01a1ng tr\u00ecnh Python c\u00f3 m\u1ed9t kh\u00f4ng gian t\u00ean ri\u00eang, gi\u00fap qu\u1ea3n l\u00fd v\u00e0 t\u1ed5 ch\u1ee9c c\u00e1c t\u00ean \u0111\u1ecbnh danh m\u1ed9t c\u00e1ch c\u00f3 tr\u1eadt t\u1ef1. C\u00f3 c\u00e1c lo\u1ea1i nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kh\u00f4ng gian t\u00ean c\u1ea5p cao nh\u1ea5t (Global Namespace)<\/strong>: Ch\u1ee9a c\u00e1c bi\u1ebfn v\u00e0 \u0111\u1ecbnh danh m\u00e0 b\u1ea1n \u0111\u1ecbnh ngh\u0129a \u1edf c\u1ea5p cao nh\u1ea5t trong m\u00e3 c\u1ee7a b\u1ea1n, b\u00ean ngo\u00e0i b\u1ea5t k\u1ef3 h\u00e0m ho\u1eb7c l\u1edbp n\u00e0o.<\/li>\n\n\n\n<li><strong>Kh\u00f4ng gian t\u00ean c\u1ee5c b\u1ed9 (Local Namespace)<\/strong>: Kh\u00f4ng gian t\u00ean trong m\u1ed9t h\u00e0m ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c c\u1ee5 th\u1ec3, ch\u1ee9a c\u00e1c bi\u1ebfn v\u00e0 \u0111\u1ecbnh danh ch\u1ec9 c\u00f3 th\u1ec3 truy c\u1eadp t\u1eeb b\u00ean trong h\u00e0m ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c \u0111\u00f3.<\/li>\n\n\n\n<li><strong>Kh\u00f4ng gian t\u00ean \u0111\u01b0\u1ee3c nh\u00fang (Enclosing Namespace)<\/strong>: \u0110\u00e2y l\u00e0 kh\u00f4ng gian t\u00ean \u1edf m\u1ee9c cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi kh\u00f4ng gian t\u00ean c\u1ee5c b\u1ed9. N\u00f3 ch\u1ee9a c\u00e1c bi\u1ebfn v\u00e0 \u0111\u1ecbnh danh c\u1ee7a c\u00e1c h\u00e0m bao ngo\u00e0i h\u00e0m hi\u1ec7n t\u1ea1i, n\u1ebfu c\u00f3.<\/li>\n\n\n\n<li><strong>Kh\u00f4ng gian t\u00ean d\u1ef1 ph\u00f2ng (Built-in Namespace)<\/strong>: \u0110\u00e2y l\u00e0 kh\u00f4ng gian t\u00ean ch\u1ee9a c\u00e1c t\u00ean \u0111\u1ecbnh danh \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n trong Python. \u0110\u00f3 l\u00e0 c\u00e1c h\u00e0m, bi\u1ebfn v\u00e0 l\u1edbp nh\u01b0 <strong>print()<\/strong>, <strong>len()<\/strong>,<strong> int<\/strong>, <strong>float<\/strong>, v\u00e0 nhi\u1ec1u t\u00ean kh\u00e1c.<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>x = 10 # bi\u1ebfn global<br><br>def outer_function():<br>      x = 5 # bi\u1ebfn enclosing<br><br>      <code>def inner_function():<\/code><br>              <code>x = 2 # bi\u1ebfn local<\/code><br>              <code>print(x) # s\u1ebd in ra gi\u00e1 tr\u1ecb 2<\/code><br><br>      <code>inner_function()<\/code><br>      <code>print(x) # s\u1ebd in ra gi\u00e1 tr\u1ecb 5<\/code><br><br>outer_function()<br>print(x) # s\u1ebd in ra gi\u00e1 tr\u1ecb 10<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-7.jpg\" alt=\"Qu\u1ea3n l\u00fd namespace s\u1ebd gi\u00fap tr\u00e1nh xung \u0111\u1ed9t v\u00e0 l\u1ea1c h\u01b0\u1edbng v\u1ec1 bi\u1ebfn trong Python\" class=\"wp-image-6252\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-7.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-7-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-7-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Qu\u1ea3n l\u00fd namespace s\u1ebd gi\u00fap tr\u00e1nh xung \u0111\u1ed9t v\u00e0 l\u1ea1c h\u01b0\u1edbng v\u1ec1 bi\u1ebfn trong Python<\/em><\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_2_Kiem_soat_luong_Python\"><\/span><strong>B\u01b0\u1edbc 2: Ki\u1ec3m so\u00e1t lu\u1ed3ng Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ki\u1ec3m so\u00e1t lu\u1ed3ng (flow control) trong Python l\u00e0 c\u00e1ch b\u1ea1n ki\u1ec3m so\u00e1t vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c ph\u1ea7n c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n, v\u00f2ng l\u1eb7p v\u00e0 c\u00e1c c\u1ea5u tr\u00fac \u0111i\u1ec1u ki\u1ec7n kh\u00e1c. Nh\u1eefng v\u1ea5n \u0111\u1ec1 trong ki\u1ec3m so\u00e1t lu\u1ed3ng Python c\u1ea7n quan t\u00e2m nh\u01b0 sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_lenh_if%E2%80%A6else\"><\/span><strong>C\u00e2u l\u1ec7nh if&#8230;else<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>C\u00e2u l\u1ec7nh<strong> if&#8230;else<\/strong> trong Python l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac \u0111i\u1ec1u ki\u1ec7n cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n m\u1ed9t kh\u1ed1i m\u00e3 n\u1ebfu \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 \u0111\u00fang (True), v\u00e0 m\u1ed9t kh\u1ed1i m\u00e3 kh\u00e1c n\u1ebfu \u0111i\u1ec1u ki\u1ec7n l\u00e0 sai (False). \u0110i\u1ec1u n\u00e0y cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u00e1c nhau d\u1ef1a tr\u00ean gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed9t bi\u1ec3u th\u1ee9c \u0111i\u1ec1u ki\u1ec7n.<\/p>\n\n\n\n<p>C\u00fa ph\u00e1p c\u1ee7a c\u00e2u l\u1ec7nh<strong> if&#8230;else<\/strong> c\u00f3 3 d\u1ea1ng nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e2u l\u1ec7nh<strong> if&#8230;else \u0111\u01a1n gi\u1ea3n: <\/strong>N\u1ebfu \u0111i\u1ec1u ki\u1ec7n trong c\u00e2u l\u1ec7nh<strong> if<\/strong> l\u00e0 \u0111\u00fang, th\u00ec ch\u1ec9 kh\u1ed1i m\u00e3 trong<strong> if <\/strong>s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. N\u1ebfu \u0111i\u1ec1u ki\u1ec7n l\u00e0 sai, th\u00ec ch\u1ec9 kh\u1ed1i m\u00e3 trong <strong>else <\/strong>s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/li>\n\n\n\n<li>C\u00e2u l\u1ec7nh <strong>if&#8230;elif&#8230;else:<\/strong> D\u1ea1ng n\u00e0y cho ph\u00e9p b\u1ea1n ki\u1ec3m tra nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e2u l\u1ec7nh <strong>elif (vi\u1ebft t\u1eaft c\u1ee7a &#8220;else if&#8221;)<\/strong>. C\u00e2u l\u1ec7nh else cu\u1ed1i c\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n n\u1ebfu t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n tr\u01b0\u1edbc \u0111\u00f3 l\u00e0 sai.<\/li>\n\n\n\n<li>C\u00e2u l\u1ec7nh<strong> if l\u1ed3ng nhau (Nested if&#8230;else): <\/strong>B\u1ea1n c\u00f3 th\u1ec3 l\u1ed3ng m\u1ed9t c\u00e2u l\u1ec7nh <strong>if<\/strong> trong m\u1ed9t c\u00e2u l\u1ec7nh <strong>else <\/strong>\u0111\u1ec3 ki\u1ec3m tra c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u1ee9c t\u1ea1p h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 <strong><em>V\u00ed d\u1ee5<\/em><\/strong>: Ki\u1ec3m tra s\u1ed1 l\u1edbn nh\u1ea5t<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>a = 10<br>b = 20<br><br>if a &gt; b:<br>      print(&#8220;a l\u1edbn h\u01a1n b&#8221;)<br>else:<br>      print(&#8220;a kh\u00f4ng l\u1edbn h\u01a1n b&#8221;)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-8.jpg\" alt=\"Trong Python, c\u00e2u l\u1ec7nh if...else cho ph\u00e9p b\u1ea1n x\u1eed l\u00fd nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau\" class=\"wp-image-6251\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-8.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-8-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-8-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Trong Python, c\u00e2u l\u1ec7nh if&#8230;else cho ph\u00e9p b\u1ea1n x\u1eed l\u00fd nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau<\/em><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vong_lap_Loops_%E2%80%93_trong_vong_lap\"><\/span><strong>V\u00f2ng l\u1eb7p (Loops) &#8211; trong v\u00f2ng l\u1eb7p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Trong Python, v\u00f2ng l\u1eb7p (loops) cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n m\u1ed9t kh\u1ed1i m\u00e3 nhi\u1ec1u l\u1ea7n cho \u0111\u1ebfn khi m\u1ed9t \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 kh\u00f4ng c\u00f2n \u0111\u00fang n\u1eefa. C\u00e1c v\u00f2ng l\u1eb7p gi\u00fap b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 l\u1eb7p \u0111i l\u1eb7p l\u1ea1i m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng, ch\u1eb3ng h\u1ea1n nh\u01b0 duy\u1ec7t qua danh s\u00e1ch, th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n l\u1eb7p l\u1ea1i, v\u00e0 nhi\u1ec1u t\u00e1c v\u1ee5 kh\u00e1c. C\u00f3 hai lo\u1ea1i ch\u00ednh c\u1ee7a v\u00f2ng l\u1eb7p ch\u00ednh nh\u01b0 sau:<\/p>\n\n\n\n<p><strong>V\u00f2ng l\u1eb7p for:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1eb7p qua m\u1ed9t t\u1eadp h\u1ee3p c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 danh s\u00e1ch, tuple ho\u1eb7c chu\u1ed7i. C\u00fa ph\u00e1p <em>\u201c<\/em><strong><em>for<\/em><\/strong><em> variable<\/em><strong><em> in <\/em><\/strong><em>iterable<\/em>\u201d.<\/p>\n\n\n\n<p>\ud83d\udc49 <strong><em>V\u00ed d\u1ee5<\/em><\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td># L\u1eb7p qua danh s\u00e1ch<br>for i in [1, 2, 3, 4, 5]:<br>      print(i)<br><br># L\u1eb7p qua chu\u1ed7i<br>for char in &#8220;Python&#8221;:<br>      print(char)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>V\u00f2ng l\u1eb7p while<\/strong>: V\u00f2ng l\u1eb7p <strong>while<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1eb7p l\u1ea1i m\u1ed9t kh\u1ed1i m\u00e3 cho \u0111\u1ebfn khi m\u1ed9t \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 kh\u00f4ng c\u00f2n \u0111\u00fang n\u1eefa. V\u00f2ng l\u1eb7p <strong>while<\/strong> th\u1ef1c hi\u1ec7n m\u00e3 trong kh\u1ed1i l\u1eb7p khi \u0111i\u1ec1u ki\u1ec7n \u0111\u00fang v\u00e0 s\u1ebd ti\u1ebfp t\u1ee5c l\u1eb7p cho \u0111\u1ebfn khi \u0111i\u1ec1u ki\u1ec7n tr\u1edf th\u00e0nh sai. C\u00fa ph\u00e1p <em>\u201c<\/em><strong><em>while<\/em><\/strong><em> condition\u201d.<\/em><\/p>\n\n\n\n<p>\ud83d\udc49 <strong><em>V\u00ed d\u1ee5<\/em><\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>count = 0<br>while count &lt; 5:<br>     print(count)<br>     count += 1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <\/strong><a href=\"https:\/\/topviecit.vn\/blog\/lap-trinh-vien-python\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>L\u1eadp tr\u00ecnh vi\u00ean Python l\u00e0 g\u00ec v\u00e0 c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m ra sao?<\/strong><\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python_break_va_continue\"><\/span><strong>Python break v\u00e0 continue<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Trong Python,<strong> break<\/strong> v\u00e0<strong> continue<\/strong> l\u00e0 hai c\u00e2u l\u1ec7nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t v\u00e0 \u0111i\u1ec1u khi\u1ec3n lu\u1ed3ng c\u1ee7a v\u00f2ng l\u1eb7p (<strong>for<\/strong> v\u00e0 <strong>while<\/strong>). Trong \u0111\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e2u l\u1ec7nh<strong> break<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tho\u00e1t kh\u1ecfi v\u00f2ng l\u1eb7p ngay l\u1eadp t\u1ee9c khi m\u1ed9t \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-9.jpg\" alt=\"Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e2u l\u1ec7nh break trong v\u00f2ng l\u1eb7p for v\u00e0 v\u00f2ng l\u1eb7p while\" class=\"wp-image-6250\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-9.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-9-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-9-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e2u l\u1ec7nh break trong v\u00f2ng l\u1eb7p for v\u00e0 v\u00f2ng l\u1eb7p while<\/em><\/figcaption><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e2u l\u1ec7nh <strong>continue <\/strong>\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ecf qua ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a l\u1ea7n l\u1eb7p hi\u1ec7n t\u1ea1i v\u00e0 ti\u1ebfp t\u1ee5c \u0111\u1ebfn l\u1ea7n l\u1eb7p ti\u1ebfp theo c\u1ee7a v\u00f2ng l\u1eb7p.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-17.jpg\" alt=\"Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a continue c\u00e2u l\u1ec7nh trong v\u00f2ng l\u1eb7p for v\u00e0 while\" class=\"wp-image-6260\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-17.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-17-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-17-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a continue c\u00e2u l\u1ec7nh trong v\u00f2ng l\u1eb7p for v\u00e0 while<\/em><\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_3_Hoc_ve_ham_Python\"><\/span><strong>B\u01b0\u1edbc 3: H\u1ecdc v\u1ec1 h\u00e0m Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Trong Python, h\u00e0m (function) l\u00e0 m\u1ed9t kh\u1ed1i m\u00e3 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean, c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng, v\u00e0 th\u1ef1c hi\u1ec7n m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c thao t\u00e1c ho\u1eb7c t\u00ednh to\u00e1n c\u1ee5 th\u1ec3. H\u00e0m cho ph\u00e9p b\u1ea1n t\u1ed5 ch\u1ee9c m\u00e3 c\u1ee7a m\u00ecnh th\u00e0nh c\u00e1c ph\u1ea7n nh\u1ecf, c\u00f3 th\u1ec3 g\u1ecdi v\u00e0 th\u1ef1c thi t\u1eeb nhi\u1ec1u n\u01a1i trong ch\u01b0\u01a1ng tr\u00ecnh, gi\u00fap m\u00e3 tr\u1edf n\u00ean d\u1ec5 \u0111\u1ecdc, d\u1ec5 qu\u1ea3n l\u00fd v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec.&nbsp;<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>C\u00e2u l\u1ec7nh khai b\u00e1o h\u00e0m trong Python:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>def <\/strong>function_name(parameters):<br>&nbsp;&nbsp;&nbsp;<strong>&nbsp;# M\u00e3 th\u1ef1c hi\u1ec7n c\u1ee7a h\u00e0m<\/strong><br><strong>&nbsp;&nbsp;&nbsp;&nbsp;return<\/strong> return_value<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong \u0111\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>function_name: <\/strong>T\u00ean c\u1ee7a h\u00e0m, theo c\u00e1c quy t\u1eafc \u0111\u1eb7t t\u00ean bi\u1ebfn.<\/li>\n\n\n\n<li><strong>parameters:<\/strong> Danh s\u00e1ch c\u00e1c tham s\u1ed1 (input) m\u00e0 h\u00e0m nh\u1eadn. C\u00e1c tham s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong d\u1ea5u ngo\u1eb7c \u0111\u01a1n v\u00e0 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1ch b\u1eb1ng d\u1ea5u ph\u1ea9y.<\/li>\n\n\n\n<li><strong>return_value:<\/strong> Gi\u00e1 tr\u1ecb m\u00e0 h\u00e0m tr\u1ea3 v\u1ec1 sau khi th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n. (kh\u00f4ng b\u1eaft bu\u1ed9c).<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 <strong>C\u00e2u l\u1ec7nh g\u1ecdi 1 h\u00e0m trong Python<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>function_name(arguments)<br><strong>V\u00ed d\u1ee5:<\/strong><br>def greet(name):<br>&nbsp;&nbsp;&nbsp;&nbsp;return &#8220;Hello, &#8221; + name<br>result = greet(&#8220;Alice&#8221;)<br>print(result)&nbsp; # In ra: Hello, Alice<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong v\u00ed d\u1ee5 n\u00e0y, <strong>greet(&#8220;Alice&#8221;)<\/strong> l\u00e0 c\u00e1ch g\u1ecdi h\u00e0m <strong>greet<\/strong> v\u00e0 truy\u1ec1n \u0111\u1ed1i s\u1ed1 &#8220;<strong>Alice<\/strong>&#8221; v\u00e0o h\u00e0m. H\u00e0m s\u1ebd th\u1ef1c hi\u1ec7n v\u00e0 tr\u1ea3 v\u1ec1 chu\u1ed7i &#8220;<strong>Hello, Alice<\/strong>&#8220;, v\u00e0 k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c l\u01b0u trong bi\u1ebfn <strong>result.<\/strong><\/p>\n\n\n\n<p>B\u00ean c\u1ea1nh 2 c\u00e2u l\u1ec7nh tr\u00ean, b\u1ea1n c\u0169ng c\u1ea7n ph\u1ea3i t\u00ecm hi\u1ec3u th\u00eam nh\u1eefng v\u1ea5n \u0111\u1ec1 sau \u0111\u00e2y v\u1ec1 H\u00e0m Python:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ec7 quy Python (Recursion): <\/strong>Trong l\u1eadp tr\u00ecnh, \u0111\u1ec7 quy l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt m\u00e0 m\u1ed9t h\u00e0m g\u1ecdi ch\u00ednh n\u00f3 \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t v\u1ea5n \u0111\u1ec1. Trong \u0111\u1ec7 quy, m\u1ed9t b\u00e0i to\u00e1n \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c b\u00e0i to\u00e1n con nh\u1ecf h\u01a1n c\u00f3 c\u00f9ng c\u1ea5u tr\u00fac v\u1edbi b\u00e0i to\u00e1n g\u1ed1c. \u0110\u1ec7 quy th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 k\u1ebft h\u1ee3p k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c b\u00e0i to\u00e1n con \u0111\u1ec3 gi\u1ea3i quy\u1ebft b\u00e0i to\u00e1n ban \u0111\u1ea7u.<\/li>\n\n\n\n<li><strong>\u0110\u1ed1i s\u1ed1 ch\u1ee9c n\u0103ng Python (Arguments):<\/strong> L\u00e0 c\u00e1c gi\u00e1 tr\u1ecb b\u1ea1n truy\u1ec1n v\u00e0o m\u1ed9t h\u00e0m khi g\u1ecdi n\u00f3. \u0110\u1ed1i s\u1ed1 ch\u1ee9c n\u0103ng c\u00f3 th\u1ec3 l\u00e0 c\u00e1c bi\u1ebfn, gi\u00e1 tr\u1ecb, \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 c\u00e1c h\u00e0m kh\u00e1c. \u0110\u1ed1i s\u1ed1 ch\u1ee9c n\u0103ng gi\u00fap h\u00e0m nh\u1eadn th\u00f4ng tin c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n ho\u1eb7c h\u00e0nh \u0111\u1ed9ng c\u1ee5 th\u1ec3.<\/li>\n\n\n\n<li><strong>Ch\u1ee9c n\u0103ng \u1ea9n danh trong Python (<a href=\"https:\/\/topviecit.vn\/blog\/anonymous-function-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Anonymous Function<\/a>): <\/strong>Ch\u1ee9c n\u0103ng \u1ea9n danh, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u00e0m lambda, l\u00e0 m\u1ed9t lo\u1ea1i h\u00e0m \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng t\u1eeb kh\u00f3a <strong>def <\/strong>v\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1eb7t t\u00ean. Ch\u1ee9c n\u0103ng \u1ea9n danh th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c t\u00e1c v\u1ee5 \u0111\u01a1n gi\u1ea3n v\u00e0 ng\u1eafn g\u1ecdn.<\/li>\n\n\n\n<li><strong>Python Modules: <\/strong>M\u1ed9t module trong Python l\u00e0 m\u1ed9t t\u1ec7p ch\u1ee9a m\u00e3 Python \u0111\u1ecbnh ngh\u0129a c\u00e1c h\u00e0m, l\u1edbp v\u00e0 bi\u1ebfn \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 c\u1ee5 th\u1ec3. Modules gi\u00fap t\u1ed5 ch\u1ee9c m\u00e3 th\u00e0nh c\u00e1c ph\u1ea7n ri\u00eang bi\u1ec7t v\u00e0 t\u00e1i s\u1eed d\u1ee5ng ch\u00fang trong nhi\u1ec1u ch\u01b0\u01a1ng tr\u00ecnh kh\u00e1c nhau.<\/li>\n\n\n\n<li><strong>Python Package: <\/strong>M\u1ed9t package l\u00e0 m\u1ed9t th\u01b0 m\u1ee5c ch\u1ee9a m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c module li\u00ean quan \u0111\u1ebfn nhau. Packages gi\u00fap t\u1ed5 ch\u1ee9c v\u00e0 qu\u1ea3n l\u00fd c\u00e1c module c\u00f3 li\u00ean quan v\u1ec1 c\u00f9ng m\u1ed9t ch\u1ee9c n\u0103ng ho\u1eb7c l\u0129nh v\u1ef1c. Packages \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c b\u1eb1ng c\u00e1ch t\u1ea1o c\u00e1c th\u01b0 m\u1ee5c con b\u00ean trong th\u01b0 m\u1ee5c ch\u1ee9a package, v\u00e0 m\u1ed7i th\u01b0 m\u1ee5c con n\u00e0y c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c t\u1ec7p module v\u00e0 th\u01b0 m\u1ee5c con kh\u00e1c.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-11.jpg\" alt=\"H\u00e0m trong Python gi\u00fap t\u00e1ch m\u00e3 th\u00e0nh c\u00e1c \u0111\u01a1n v\u1ecb nh\u1ecf h\u01a1n d\u1ec5 \u0111\u1ecdc v\u00e0 qu\u1ea3n l\u00fd h\u01a1n\" class=\"wp-image-6248\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-11.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-11-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-11-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>H\u00e0m trong Python gi\u00fap t\u00e1ch m\u00e3 th\u00e0nh c\u00e1c \u0111\u01a1n v\u1ecb nh\u1ecf h\u01a1n d\u1ec5 \u0111\u1ecdc v\u00e0 qu\u1ea3n l\u00fd h\u01a1n<\/em><\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_4_Hoc_ve_Kieu_du_lieu_Python\"><\/span><strong>B\u01b0\u1edbc 4: H\u1ecdc v\u1ec1 Ki\u1ec3u d\u1eef li\u1ec7u Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ki\u1ec3u d\u1eef li\u1ec7u c\u0169ng l\u00e0 m\u1ed9t n\u1ed9i dung d\u00e0nh cho l\u1ed9 tr\u00ecnh h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u m\u00e0 b\u1ea1n c\u1ea7n l\u01b0u \u00fd. C\u00e1c ki\u1ec3u d\u1eef li\u1ec7u c\u01a1 b\u1ea3n v\u00e0 trong Python bao g\u1ed3m:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Ki\u1ec3u d\u1eef li\u1ec7u<\/strong><\/td><td><strong>C\u00e1ch \u0111\u1ecbnh ngh\u0129a trong Python<\/strong><\/td><\/tr><tr><td>Ki\u1ec3u s\u1ed1 (Numeric Types)<\/td><td><strong>int:<\/strong> Ki\u1ec3u s\u1ed1 nguy\u00ean (vd: 42, -17).<strong>float:<\/strong> Ki\u1ec3u s\u1ed1 th\u1ef1c (vd: 3.14, -0.5).<strong>complex: <\/strong>Ki\u1ec3u s\u1ed1 ph\u1ee9c.<\/td><\/tr><tr><td>Ki\u1ec3u chu\u1ed7i (Python String) v\u00e0 ki\u1ec3u danh s\u00e1ch (Python List)<\/td><td><strong>str:<\/strong> Ki\u1ec3u chu\u1ed7i (vd: &#8220;Hello, world!&#8221;).<strong>list:<\/strong> Ki\u1ec3u danh s\u00e1ch (vd: [1, 2, 3]).<\/td><\/tr><tr><td>Ki\u1ec3u t\u1eadp h\u1ee3p (Set Types)<\/td><td><strong>set:<\/strong> Ki\u1ec3u t\u1eadp h\u1ee3p kh\u00f4ng th\u1ee9 t\u1ef1 v\u00e0 kh\u00f4ng tr\u00f9ng l\u1eb7p (vd: {1, 2, 3})<\/td><\/tr><tr><td>Ki\u1ec3u t\u1eeb \u0111i\u1ec3n (Python Dictionary)<\/td><td><strong>dict<\/strong>: Ki\u1ec3u t\u1eeb \u0111i\u1ec3n (vd: {&#8220;name&#8221;: &#8220;Alice&#8221;, &#8220;age&#8221;: 30}).<\/td><\/tr><tr><td>Python Tuple<\/td><td><strong>tuple: <\/strong>Ki\u1ec3u tuple (vd: (1, 2, 3)).<\/td><\/tr><tr><td>Ki\u1ec3u boolean (Boolean Type)<\/td><td><strong>bool<\/strong>: Ki\u1ec3u boolean (True ho\u1eb7c False).<\/td><\/tr><tr><td>Ki\u1ec3u byte v\u00e0 bytearray (Binary Types)<\/td><td><strong>bytes<\/strong>: Ki\u1ec3u d\u00e3y byte kh\u00f4ng thay \u0111\u1ed5i (vd: b&#8217;hello&#8217;).<strong>bytearray<\/strong>: Ki\u1ec3u d\u00e3y byte c\u00f3 th\u1ec3 thay \u0111\u1ed5i (vd: bytearray(b&#8217;hello&#8217;)).<\/td><\/tr><tr><td>Ki\u1ec3u None (None Type)<\/td><td><strong>NoneType<\/strong>: Ki\u1ec3u kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb (None).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/top-10-phuong-phap-phan-tich-du-lieu\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ph\u00e2n T\u00edch D\u1eef Li\u1ec7u L\u00e0 G\u00ec? Top 10 Ph\u01b0\u01a1ng Ph\u00e1p Ph\u00e2n T\u00edch D\u1eef Li\u1ec7u<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_5_Tim_hieu_ve_Tep_Python\"><\/span><strong>B\u01b0\u1edbc 5: T\u00ecm hi\u1ec3u v\u1ec1 T\u1ec7p Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Trong Python, t\u1ec7p (file) l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean \u0111\u0129a c\u1ee9ng ho\u1eb7c b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb l\u01b0u tr\u1eef n\u00e0o. T\u1ec7p c\u00f3 th\u1ec3 ch\u1ee9a v\u0103n b\u1ea3n, h\u00ecnh \u1ea3nh, \u00e2m thanh, m\u00e3 ngu\u1ed3n v\u00e0 nhi\u1ec1u lo\u1ea1i d\u1eef li\u1ec7u kh\u00e1c. Python cung c\u1ea5p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u00e0 module \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi t\u1ec7p, cho ph\u00e9p b\u1ea1n \u0111\u1ecdc, ghi v\u00e0 x\u1eed l\u00fd c\u00e1c t\u1ec7p d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p>Trong n\u1ed9i dung n\u00e0y, khi h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u c\u1ea7n l\u01b0u \u00fd nh\u1eefng thao t\u00e1c sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python_File_Operation_Thao_tac_tep\"><\/span><strong>Python File Operation (Thao t\u00e1c t\u1ec7p)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Python cung c\u1ea5p c\u00e1c ph\u01b0\u01a1ng th\u1ee9c v\u00e0 ch\u1ee9c n\u0103ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn t\u1ec7p (file), bao g\u1ed3m \u0111\u1ecdc, ghi, m\u1edf, \u0111\u00f3ng v\u00e0 x\u1eed l\u00fd c\u00e1c t\u1ec7p d\u1eef li\u1ec7u. C\u00e1c ho\u1ea1t \u0111\u1ed9ng thao t\u00e1c t\u1ec7p cho ph\u00e9p b\u1ea1n l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u t\u1eeb c\u00e1c t\u1ec7p v\u0103n b\u1ea3n, h\u00ecnh \u1ea3nh, \u00e2m thanh v\u00e0 nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng kh\u00e1c.<\/p>\n\n\n\n<p>C\u00e1c c\u00e2u l\u1ec7nh li\u00ean quan \u0111\u1ebfn thao t\u00e1c t\u1ec7p trong Python v\u00ed d\u1ee5 nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1edf t\u1ec7p:<strong> open()<\/strong><\/li>\n\n\n\n<li>\u0110\u1ecdc t\u1ec7p:<strong> read()<\/strong><\/li>\n\n\n\n<li>\u0110\u00f3ng t\u1ec7p: <strong>close()<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-13.jpg\" alt=\"Khi h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, b\u1ea1n c\u1ea7n t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c thao t\u00e1c t\u1ec7p\" class=\"wp-image-6246\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-13.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-13-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-13-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Khi h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, b\u1ea1n c\u1ea7n t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c thao t\u00e1c t\u1ec7p<\/em><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python_Directory_Thu_muc\"><\/span><strong>Python Directory (Th\u01b0 m\u1ee5c)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Th\u01b0 m\u1ee5c (directory) l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac l\u01b0u tr\u1eef tr\u00ean h\u1ec7 th\u1ed1ng t\u1eadp tin, ch\u1ee9a c\u00e1c t\u1ec7p v\u00e0 th\u01b0 m\u1ee5c con kh\u00e1c. Trong Python, b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi th\u01b0 m\u1ee5c \u0111\u1ec3 t\u1ea1o, x\u00f3a v\u00e0 duy\u1ec7t qua c\u00e1c t\u1ec7p v\u00e0 th\u01b0 m\u1ee5c con. Module <strong>os<\/strong> v\u00e0 <strong>os.path<\/strong> cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi th\u01b0 m\u1ee5c.<\/p>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <\/strong><a href=\"https:\/\/topviecit.vn\/blog\/thuc-tap-python\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Th\u1ef1c t\u1eadp Python l\u00e0 l\u00e0m c\u00f4ng vi\u1ec7c g\u00ec, t\u00ecm vi\u1ec7c \u1edf \u0111\u00e2u l\u01b0\u01a1ng cao?<\/strong><\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python_Exception_Ngoai_le\"><\/span><strong>Python Exception (Ngo\u1ea1i l\u1ec7)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Ngo\u1ea1i l\u1ec7 l\u00e0 m\u1ed9t s\u1ef1 ki\u1ec7n kh\u00f4ng mong mu\u1ed1n x\u1ea3y ra trong qu\u00e1 tr\u00ecnh th\u1ef1c thi ch\u01b0\u01a1ng tr\u00ecnh, g\u00e2y ra l\u1ed7i ho\u1eb7c h\u00e0nh vi kh\u00f4ng mong \u0111\u1ee3i. Python c\u00f3 nhi\u1ec1u lo\u1ea1i ngo\u1ea1i l\u1ec7 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng s\u1eb5n nh\u01b0<strong> ZeroDivisionError<\/strong> (chia cho 0) ho\u1eb7c <strong>FileNotFoundError<\/strong> (kh\u00f4ng t\u00ecm th\u1ea5y t\u1ec7p). Khi ngo\u1ea1i l\u1ec7 x\u1ea3y ra, ch\u01b0\u01a1ng tr\u00ecnh c\u00f3 th\u1ec3 b\u1ecb d\u1eebng n\u1ebfu kh\u00f4ng c\u00f3 x\u1eed l\u00fd ngo\u1ea1i l\u1ec7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python_Exception_Handling_Xu_ly_ngoai_le\"><\/span><strong>Python Exception Handling (X\u1eed l\u00fd ngo\u1ea1i l\u1ec7)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>X\u1eed l\u00fd ngo\u1ea1i l\u1ec7 l\u00e0 c\u00e1ch ch\u01b0\u01a1ng tr\u00ecnh x\u1eed l\u00fd c\u00e1c t\u00ecnh hu\u1ed1ng ngo\u1ea1i l\u1ec7 \u0111\u1ec3 tr\u00e1nh vi\u1ec7c b\u1ecb d\u1eebng b\u1ea5t ng\u1edd khi g\u1eb7p l\u1ed7i. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng kh\u1ed1i <strong>try<\/strong> v\u00e0 <strong>except<\/strong>, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t c\u00e1ch ch\u01b0\u01a1ng tr\u00ecnh x\u1eed l\u00fd c\u00e1c ngo\u1ea1i l\u1ec7 c\u1ee5 th\u1ec3 v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng ph\u00f9 h\u1ee3p, nh\u01b0 th\u00f4ng b\u00e1o l\u1ed7i ho\u1eb7c ti\u1ebfp t\u1ee5c th\u1ef1c thi.<\/p>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <\/strong><a href=\"https:\/\/topviecit.vn\/blog\/lap-trinh-ai-bang-python\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>L\u1eadp tr\u00ecnh AI b\u1eb1ng Python l\u00e0 g\u00ec &#8211; c\u00f3 th\u1eadt s\u1ef1 hi\u1ec7u qu\u1ea3?<\/strong><\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python_User-defined_Exception\"><\/span><strong>Python User-defined Exception<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>B\u00ean c\u1ea1nh c\u00e1c ngo\u1ea1i l\u1ec7 x\u00e2y d\u1ef1ng s\u1eb5n, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c ngo\u1ea1i l\u1ec7 t\u00f9y ch\u1ec9nh b\u1eb1ng c\u00e1ch \u0111\u1ecbnh ngh\u0129a c\u00e1c l\u1edbp ngo\u1ea1i l\u1ec7 ri\u00eang. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n t\u1ea1o ra c\u00e1c t\u00ecnh hu\u1ed1ng ngo\u1ea1i l\u1ec7 ph\u00f9 h\u1ee3p v\u1edbi logic v\u00e0 y\u00eau c\u1ea7u c\u1ee7a \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n. B\u1eb1ng c\u00e1ch k\u1ebf th\u1eeba t\u1eeb l\u1edbp <strong>Exception <\/strong>ho\u1eb7c c\u00e1c l\u1edbp con c\u1ee7a n\u00f3, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c ngo\u1ea1i l\u1ec7 t\u00f9y ch\u1ec9nh.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-14.jpg\" alt=\"Python User-defined Exception t\u1ea1o ra c\u00e1c th\u00f4ng b\u00e1o l\u1ed7i c\u00f3 \u00fd ngh\u0129a h\u01a1n v\u00e0 d\u1ec5 \u0111\u1ecdc h\u01a1n\" class=\"wp-image-6245\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-14.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-14-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-14-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Python User-defined Exception t\u1ea1o ra c\u00e1c th\u00f4ng b\u00e1o l\u1ed7i c\u00f3 \u00fd ngh\u0129a h\u01a1n v\u00e0 d\u1ec5 \u0111\u1ecdc h\u01a1n<\/em><\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_6_Doi_tuong_va_lop_trong_Python\"><\/span><strong>B\u01b0\u1edbc 6: \u0110\u1ed1i t\u01b0\u1ee3ng v\u00e0 l\u1edbp trong Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ed1i t\u01b0\u1ee3ng, l\u1edbp trong Python c\u0169ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 m\u00e0 b\u1ea1n c\u1ea7n l\u01b0u \u00fd. C\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python_OOP\"><\/span><strong>Python OOP<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Python OOP (Object-Oriented Programming) l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u1eadp tr\u00ecnh d\u1ef1a tr\u00ean vi\u1ec7c t\u1ed5 ch\u1ee9c m\u00e3 ngu\u1ed3n xung quanh c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 l\u1edbp. OOP t\u1eadp trung v\u00e0o vi\u1ec7c t\u1ed5 ch\u1ee9c v\u00e0 qu\u1ea3n l\u00fd m\u00e3 ngu\u1ed3n m\u1ed9t c\u00e1ch c\u1ea5u tr\u00fac, d\u1ec5 \u0111\u1ecdc v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec.<\/p>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <\/strong><a href=\"https:\/\/topviecit.vn\/blog\/lap-trinh-huong-doi-tuong-python\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>L\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng Python l\u00e0 g\u00ec &#8211; th\u00f4ng tin chi ti\u1ebft<\/strong><\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lop_Python\"><\/span><strong>L\u1edbp Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Trong Python, m\u1ed9t <strong>class<\/strong> (l\u1edbp) l\u00e0 m\u1ed9t b\u1ea3n thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng (<strong>objects<\/strong>) c\u00f3 c\u00f9ng c\u1ea5u tr\u00fac v\u00e0 h\u00e0nh vi. M\u1ed9t class ch\u1ee9a \u0111\u1ecbnh ngh\u0129a v\u1ec1 c\u00e1c thu\u1ed9c t\u00ednh (<strong>attributes<\/strong>) v\u00e0 ph\u01b0\u01a1ng th\u1ee9c (<strong>methods<\/strong>) m\u00e0 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a l\u1edbp \u0111\u00f3 s\u1ebd th\u1eeba h\u01b0\u1edfng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00fa ph\u00e1p c\u01a1 b\u1ea3n \u0111\u1ec3 \u0111\u1ecbnh ngh\u0129a m\u1ed9t class trong Python:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>class ClassName:<\/strong><br>&nbsp;&nbsp;&nbsp;&nbsp;<strong># <\/strong>\u0110\u1ecbnh ngh\u0129a c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a l\u1edbp<strong>&nbsp;&nbsp;&nbsp;&nbsp;<\/strong><br><strong>pass<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ke_thua_trong_Python\"><\/span><strong>K\u1ebf th\u1eeba trong Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>K\u1ebf th\u1eeba (<strong>Inheritance<\/strong>) trong Python l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t l\u1edbp con (<strong>subclass<\/strong>) th\u1eeba h\u01b0\u1edfng c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c t\u1eeb m\u1ed9t l\u1edbp cha (<strong>superclass<\/strong>). K\u1ebf th\u1eeba cho ph\u00e9p t\u00e1i s\u1eed d\u1ee5ng m\u00e3 ngu\u1ed3n v\u00e0 x\u00e2y d\u1ef1ng m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c l\u1edbp, gi\u00fap t\u1ea1o ra c\u1ea5u tr\u00fac d\u1ea1ng h\u00ecnh ph\u1ec5u (hierarchy). C\u00fa ph\u00e1p c\u01a1 b\u1ea3n c\u1ee7a k\u1ebf th\u1eeba trong Python nh\u01b0 sau:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>class SuperClass:<\/strong><br>&nbsp;&nbsp;&nbsp;&nbsp;# \u0110\u1ecbnh ngh\u0129a thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c cho SuperClass<br>&nbsp;&nbsp;&nbsp;&nbsp;<strong>passclass SubClass(SuperClass):<\/strong><br>&nbsp;&nbsp;&nbsp;&nbsp;# K\u1ebf th\u1eeba t\u1eeb SuperClass v\u00e0 m\u1edf r\u1ed9ng ho\u1eb7c ghi \u0111\u00e8 c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c<br>&nbsp;&nbsp;&nbsp;&nbsp;<strong>pass<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Da_thua_ke_Python\"><\/span><strong>\u0110a th\u1eeba k\u1ebf Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Multiple Inheritance (<strong>\u0110a th\u1eeba k\u1ebf<\/strong>) l\u00e0 kh\u1ea3 n\u0103ng cho m\u1ed9t l\u1edbp con (<strong>subclass<\/strong>) k\u1ebf th\u1eeba t\u1eeb nhi\u1ec1u l\u1edbp cha (<strong>superclass<\/strong>). Trong Python, m\u1ed9t l\u1edbp con c\u00f3 th\u1ec3 th\u1eeba h\u01b0\u1edfng c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c t\u1eeb nhi\u1ec1u l\u1edbp cha kh\u00e1c nhau, gi\u00fap chia s\u1ebb m\u00e3 ngu\u1ed3n v\u00e0 t\u1ea1o ra c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 t\u00ednh ch\u1ea5t k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c l\u1edbp cha. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00fa ph\u00e1p \u0111\u1ec3 s\u1eed d\u1ee5ng \u0111a th\u1eeba k\u1ebf trong Python:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>class ClassA:<\/strong><br><strong>&nbsp;&nbsp;&nbsp;&nbsp;# <\/strong>\u0110\u1ecbnh ngh\u0129a thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c cho ClassA<br><strong>&nbsp;&nbsp;&nbsp;&nbsp;pass<\/strong><br><strong>class ClassB:<\/strong><br><strong>&nbsp;&nbsp;&nbsp;&nbsp;#<\/strong> \u0110\u1ecbnh ngh\u0129a thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c cho ClassB<br><strong>&nbsp;&nbsp;&nbsp;&nbsp;pass<\/strong><br><strong>class SubClass(ClassA, ClassB):<\/strong><br><strong>&nbsp;&nbsp;&nbsp;&nbsp;# <\/strong>\u0110a th\u1eeba k\u1ebf t\u1eeb ClassA v\u00e0 ClassB<br><strong>&nbsp;&nbsp;&nbsp;&nbsp;pass<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Qua_tai_toan_tu\"><\/span><strong>Qu\u00e1 t\u1ea3i to\u00e1n t\u1eed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Qu\u00e1 t\u1ea3i to\u00e1n t\u1eed (Operator Overloading) trong Python l\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ecbnh ngh\u0129a l\u1ea1i ho\u1eb7c thay \u0111\u1ed5i h\u00e0nh vi c\u1ee7a c\u00e1c to\u00e1n t\u1eed c\u00f3 s\u1eb5n cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a l\u1edbp. Khi b\u1ea1n qu\u00e1 t\u1ea3i to\u00e1n t\u1eed, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1ch m\u1ed9t to\u00e1n t\u1eed ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a l\u1edbp b\u1ea1n \u0111\u1ecbnh ngh\u0129a. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u1ea1o ra c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p to\u00e1n t\u00f9y ch\u1ec9nh.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-15.jpg\" alt=\"Python cho ph\u00e9p qu\u00e1 t\u1ea3i m\u1ed9t lo\u1ea1t c\u00e1c to\u00e1n t\u1eed th\u00f4ng qua tri\u1ec3n khai ph\u01b0\u01a1ng th\u1ee9c \u0111\u1eb7c bi\u1ec7t\" class=\"wp-image-6244\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-15.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-15-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-15-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Python cho ph\u00e9p qu\u00e1 t\u1ea3i m\u1ed9t lo\u1ea1t c\u00e1c to\u00e1n t\u1eed th\u00f4ng qua tri\u1ec3n khai ph\u01b0\u01a1ng th\u1ee9c \u0111\u1eb7c bi\u1ec7t<\/em><\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_7_Yeu_to_ngay_gio_trong_Python\"><\/span><strong>B\u01b0\u1edbc 7: Y\u1ebfu t\u1ed1 ng\u00e0y gi\u1edd trong Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Python c\u00f3 m\u1ed9t s\u1ed1 m\u00f4-\u0111un v\u00e0 l\u1edbp d\u00e0nh ri\u00eang cho vi\u1ec7c l\u00e0m vi\u1ec7c v\u1edbi y\u1ebfu t\u1ed1 ng\u00e0y gi\u1edd <strong>(date v\u00e0 time<\/strong>). C\u00e1c m\u00f4-\u0111un n\u00e0y gi\u00fap b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c li\u00ean quan \u0111\u1ebfn th\u1eddi gian, ng\u00e0y th\u00e1ng v\u00e0 c\u00e1c ph\u00e9p to\u00e1n li\u00ean quan \u0111\u1ebfn th\u1eddi gian.<\/p>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 quan tr\u1ecdng li\u00ean quan \u0111\u1ebfn ng\u00e0y gi\u1edd trong Python:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00f4-\u0111un datetime:<\/strong> M\u00f4-\u0111un datetime ch\u1ee9a c\u00e1c l\u1edbp \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi ng\u00e0y v\u00e0 gi\u1edd. C\u00e1c l\u1edbp ch\u00ednh bao g\u1ed3m<strong> datetime, date, time, v\u00e0 timedelta<\/strong>.<\/li>\n\n\n\n<li><strong>L\u1edbp datetime:<\/strong> L\u1edbp n\u00e0y cho ph\u00e9p b\u1ea1n l\u00e0m vi\u1ec7c v\u1edbi c\u1ea3 ng\u00e0y v\u00e0 gi\u1edd. B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng <strong>datetime<\/strong> \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3.<\/li>\n\n\n\n<li><strong>L\u1edbp date<\/strong>: L\u1edbp n\u00e0y \u0111\u1ea1i di\u1ec7n cho m\u1ed9t ng\u00e0y c\u1ee5 th\u1ec3 trong l\u1ecbch.<\/li>\n\n\n\n<li><strong>L\u1edbp time:<\/strong> L\u1edbp n\u00e0y \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u1eddi gian c\u1ee5 th\u1ec3 trong ng\u00e0y.<\/li>\n\n\n\n<li><strong>L\u1edbp timedelta<\/strong>: L\u1edbp n\u00e0y \u0111\u1ea1i di\u1ec7n cho m\u1ed9t kho\u1ea3ng th\u1eddi gian ho\u1eb7c kho\u1ea3ng th\u1eddi gian gi\u1eefa hai ng\u00e0y\/gi\u1edd.<\/li>\n\n\n\n<li><strong>\u0110\u1ecbnh d\u1ea1ng chu\u1ed7i ng\u00e0y gi\u1edd (Date and Time Formatting)<\/strong>: Python cung c\u1ea5p c\u00e1c chu\u1ed7i \u0111\u1ecbnh d\u1ea1ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n ng\u00e0y gi\u1edd theo c\u00e1ch b\u1ea1n mu\u1ed1n.<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>import datetime<br><br># L\u1ea5y ng\u00e0y v\u00e0 gi\u1edd hi\u1ec7n t\u1ea1i<br>now = datetime.datetime.now()<br>print(now)<br><br># Truy c\u1eadp c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a ng\u00e0y v\u00e0 gi\u1edd (n\u0103m, th\u00e1ng, ng\u00e0y, gi\u1edd, ph\u00fat, gi\u00e2y)<br>year = now.year<br>month = now.month<br>day = now.day<br>hour = now.hour<br>minute = now.minute<br>second = now.second<br><br># T\u1ea1o m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng datetime t\u00f9y ch\u1ec9nh<br>custom_datetime = datetime.datetime(2023, 9, 12, 14, 30, 0)<br>print(custom_datetime)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-12.jpg\" alt=\"Y\u1ebfu t\u1ed1 ng\u00e0y gi\u1edd c\u0169ng l\u00e0 ki\u1ebfn th\u1ee9c trong l\u1ed9 tr\u00ecnh h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u\" class=\"wp-image-6247\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-12.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-12-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-12-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Y\u1ebfu t\u1ed1 ng\u00e0y gi\u1edd c\u0169ng l\u00e0 ki\u1ebfn th\u1ee9c trong l\u1ed9 tr\u00ecnh h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/em><\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_8_Nhung_chu_de_nang_cao_trong_Python\"><\/span><strong>B\u01b0\u1edbc 8: Nh\u1eefng ch\u1ee7 \u0111\u1ec1 n\u00e2ng cao trong Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>B\u00ean c\u1ea1nh l\u1ed9 tr\u00ecnh h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u \u1edf tr\u00ean, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam m\u1ed9t s\u1ed1 ch\u1ee7 \u0111\u1ec1 n\u00e2ng cao kh\u00e1c nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Python Iterator:<\/strong> Iterator l\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng trong Python cho ph\u00e9p b\u1ea1n l\u1eb7p qua m\u1ed9t chu\u1ed7i d\u1eef li\u1ec7u, nh\u01b0 danh s\u00e1ch, tuple ho\u1eb7c t\u1eadp h\u1ee3p, m\u1ed9t c\u00e1ch tu\u1ea7n t\u1ef1. \u0110\u1ec3 \u0111\u1ecbnh ngh\u0129a m\u1ed9t iterator, b\u1ea1n c\u1ea7n tri\u1ec3n khai c\u00e1c ph\u01b0\u01a1ng th\u1ee9c <strong>__iter__()<\/strong> v\u00e0 <strong>__next__() <\/strong>trong l\u1edbp c\u1ee7a b\u1ea1n.<\/li>\n\n\n\n<li><strong>Python Generator:<\/strong> Generator l\u00e0 m\u1ed9t c\u00e1ch t\u1ea1o iterator trong Python b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m. Generator cho ph\u00e9p b\u1ea1n t\u1ea1o ra c\u00e1c gi\u00e1 tr\u1ecb m\u1ed9t c\u00e1ch l\u01b0\u1eddi bi\u1ebfng <strong>(lazy)<\/strong> &#8211; ngh\u0129a l\u00e0 gi\u00e1 tr\u1ecb ch\u1ec9 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n khi c\u1ea7n thi\u1ebft. C\u00fa ph\u00e1p \u0111\u1ec3 t\u1ea1o m\u1ed9t generator l\u00e0 s\u1eed d\u1ee5ng t\u1eeb kh\u00f3a <strong>yield<\/strong> trong h\u00e0m thay v\u00ec <strong>return<\/strong>.<\/li>\n\n\n\n<li><strong>Python Closure:<\/strong> Closure l\u00e0 m\u1ed9t h\u00e0m \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong m\u1ed9t h\u00e0m kh\u00e1c v\u00e0 c\u00f3 th\u1ec3 truy c\u1eadp bi\u1ebfn trong ph\u1ea1m vi c\u1ee7a h\u00e0m ngo\u00e0i. H\u00e0m <strong>closure<\/strong> c\u00f3 kh\u1ea3 n\u0103ng <strong>&#8220;ghi nh\u1edb&#8221;<\/strong> tr\u1ea1ng th\u00e1i c\u1ee7a ph\u1ea1m vi b\u00ean ngo\u00e0i, ngay c\u1ea3 khi h\u00e0m b\u00ean ngo\u00e0i \u0111\u00e3 th\u1ef1c thi xong.<\/li>\n\n\n\n<li><strong>Python Decorators: <\/strong>Decorator l\u00e0 c\u00e1c h\u00e0m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ecdc m\u1ed9t h\u00e0m ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c kh\u00e1c v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c ki\u1ec3m tra, th\u00eam ch\u1ee9c n\u0103ng ho\u1eb7c c\u00e0i \u0111\u1eb7t b\u1ea3o m\u1eadt.<\/li>\n\n\n\n<li><strong>Python Property:<\/strong> Property trong Python l\u00e0 m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c \u0111\u1eb7c bi\u1ec7t trong l\u1edbp, cho ph\u00e9p b\u1ea1n truy c\u1eadp v\u00e0 g\u00e1n gi\u00e1 tr\u1ecb cho c\u00e1c thu\u1ed9c t\u00ednh m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. Property th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t vi\u1ec7c truy c\u1eadp v\u00e0 g\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a thu\u1ed9c t\u00ednh.<\/li>\n\n\n\n<li><strong>Python RegEx:<\/strong> RegEx l\u00e0 m\u1ed9t chu\u1ed7i c\u00e1c k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t m\u00f4 t\u1ea3 m\u1ed9t m\u1eabu (pattern) \u0111\u1ec3 t\u00ecm ki\u1ebfm v\u00e0 x\u1eed l\u00fd chu\u1ed7i v\u0103n b\u1ea3n. RegEx \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 t\u00ecm ki\u1ebfm, thay th\u1ebf, ph\u00e2n t\u00edch c\u00fa ph\u00e1p trong v\u0103n b\u1ea3n.<\/li>\n<\/ul>\n\n\n\n<p>B\u00ean c\u1ea1nh l\u1ed9 tr\u00ecnh h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u \u1edf tr\u00ean, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam c\u00e1c t\u00e0i li\u1ec7u, t\u00e0i nguy\u00ean kh\u00e1c li\u00ean quan <a href=\"https:\/\/www.python.org\/about\/gettingstarted\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>T\u1ea0I \u0110\u00c2Y<\/strong><\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-16.jpg\" alt=\"B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e2ng cao trong Python\" class=\"wp-image-6243\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-16.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-16-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/08\/hoc-python-cho-nguoi-moi-bat-dau-topcv-16-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e2ng cao trong Python<\/em><\/figcaption><\/figure><\/div>\n\n\n<p>Hy v\u1ecdng v\u1edbi b\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay, b\u1ea1n s\u1ebd x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c l\u1ed9 tr\u00ecnh <strong>h\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/strong> ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3n th\u00e2n. B\u00ean c\u1ea1nh \u0111\u00f3, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o <a href=\"https:\/\/www.topcv.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>TopCV.vn<\/strong><\/a><strong> <\/strong>\u0111\u1ec3 tham kh\u1ea3o th\u00eam v\u1ec1 xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng <strong><a href=\"https:\/\/www.topcv.vn\/tim-viec-lam-python\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m Python<\/a><\/strong>. T\u1eeb \u0111\u00f3 s\u1ebd c\u00f3 nh\u1eefng \u0111\u1ecbnh h\u01b0\u1edbng ph\u00f9 h\u1ee3p h\u01a1n cho qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-fresher-python\/\" target=\"_blank\" rel=\"noreferrer noopener\">Top 15 C\u00e2u H\u1ecfi Ph\u1ecfng V\u1ea5n Fresher Python C\u1eadp Nh\u1eadt M\u1edbi Nh\u1ea5t<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau, bao g\u1ed3m l\u1eadp tr\u00ecnh web, ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o. N\u1ebfu b\u1ea1n c\u0169ng \u0111ang quan t\u00e2m \u0111\u1ebfn ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0y v\u00e0 ch\u01b0a bi\u1ebft b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2u, b\u00e0i vi\u1ebft thu\u1ed9c chuy\u00ean [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6259,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[86],"tags":[],"class_list":["post-6242","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u1ecdc Python cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u nh\u01b0 n\u00e0o? 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