{"id":1145529,"date":"2025-01-08T23:08:58","date_gmt":"2025-01-08T15:08:58","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1145529.html"},"modified":"2025-01-08T23:08:59","modified_gmt":"2025-01-08T15:08:59","slug":"python%e5%a6%82%e4%bd%95j%e5%b0%86%e4%b8%80%e4%b8%aa%e6%95%b0%e8%bf%bd%e5%8a%a0%e5%88%b0%e5%88%97%e8%a1%a8%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1145529.html","title":{"rendered":"python\u5982\u4f55j\u5c06\u4e00\u4e2a\u6570\u8ffd\u52a0\u5230\u5217\u8868\u4e2d"},"content":{"rendered":"

\"python\u5982\u4f55j\u5c06\u4e00\u4e2a\u6570\u8ffd\u52a0\u5230\u5217\u8868\u4e2d\"<\/p>\n

\u5728Python\u4e2d\uff0c\u5c06\u4e00\u4e2a\u6570\u8ffd\u52a0\u5230\u5217\u8868\u4e2d\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u6700\u5e38\u7528\u7684\u5305\u62ec\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u3001insert()<\/code>\u65b9\u6cd5\u3001\u4ee5\u53ca\u5217\u8868\u76f8\u52a0\u64cd\u4f5c\u7b26\uff08+\uff09\u7b49\u3002<\/strong> \u5176\u4e2d\uff0c\u6700\u5e38\u89c1\u548c\u63a8\u8350\u7684\u65b9\u6cd5\u662f\u4f7f\u7528append()<\/code>\u65b9\u6cd5\uff0c\u8fd9\u79cd\u65b9\u6cd5\u76f4\u63a5\u5728\u73b0\u6709\u5217\u8868\u7684\u672b\u5c3e\u8ffd\u52a0\u4e00\u4e2a\u6570\uff0c\u64cd\u4f5c\u7b80\u4fbf\u4e14\u9ad8\u6548\u3002<\/p>\n<\/p>\n

\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u65f6\uff0c\u53ea\u9700\u8c03\u7528\u5217\u8868\u7684append()<\/code>\u65b9\u6cd5\u5e76\u4f20\u5165\u8981\u8ffd\u52a0\u7684\u6570\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u6709\u4e00\u4e2a\u5217\u8868my_list<\/code>\uff0c\u8981\u5c06\u65705\u8ffd\u52a0\u5230\u8be5\u5217\u8868\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528my_list.append(5)<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u597d\u5904\u5728\u4e8e\u5176\u7b80\u6d01\u6027\u548c\u76f4\u89c2\u6027\uff0c\u975e\u5e38\u9002\u5408\u521d\u5b66\u8005\u53ca\u65e5\u5e38\u7f16\u7a0b\u4efb\u52a1\u3002<\/p>\n<\/p>\n

\n

\u4e00\u3001\u4f7f\u7528append()<\/code>\u65b9\u6cd5<\/h3>\n<\/p>\n

\u5728Python\u4e2d\uff0cappend()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5c06\u4e00\u4e2a\u5143\u7d20\u8ffd\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n

my_list = [1, 2, 3]<\/p>\n
my_list.append(4)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3, 4]<\/p>\n
<\/code><\/pre>\n<\/p>\n
1\u3001\u793a\u4f8b\u89e3\u91ca<\/h4>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u5143\u7d20\u7684\u5217\u8868my_list<\/code>\u3002\u7136\u540e\uff0c\u4f7f\u7528append()<\/code>\u65b9\u6cd5\u5c06\u5143\u7d204\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u5217\u8868\u53d8\u4e3a[1, 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n
2\u3001append()<\/code>\u65b9\u6cd5\u7684\u4f18\u70b9<\/h4>\n<\/p>\n
\u7b80\u6d01\u76f4\u89c2<\/strong>\uff1aappend()<\/code>\u65b9\u6cd5\u8bed\u6cd5\u7b80\u5355\uff0c\u6613\u4e8e\u7406\u89e3\u548c\u4f7f\u7528\uff0c\u9002\u5408\u521d\u5b66\u8005\u3002<\/p>\n<\/p>\n
\u9ad8\u6548<\/strong>\uff1a\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0cappend()<\/code>\u65b9\u6cd5\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\uff0c\u56e0\u4e3a\u5b83\u53ea\u662f\u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\uff0c\u4e0d\u9700\u8981\u79fb\u52a8\u5176\u4ed6\u5143\u7d20\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528insert()<\/code>\u65b9\u6cd5<\/h3>\n<\/p>\n
insert()<\/code>\u65b9\u6cd5\u5141\u8bb8\u5728\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u5728\u672b\u5c3e\u8ffd\u52a0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
my_list = [1, 2, 3]<\/p>\n
my_list.insert(1, 4)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 4, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
1\u3001\u793a\u4f8b\u89e3\u91ca<\/h4>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5728\u7d22\u5f151\u7684\u4f4d\u7f6e\u63d2\u5165\u4e86\u5143\u7d204\u3002\u63d2\u5165\u64cd\u4f5c\u5c06\u539f\u6709\u5143\u7d202\u548c3\u5411\u540e\u79fb\u52a8\u4e00\u4e2a\u4f4d\u7f6e\uff0c\u4ece\u800c\u5c06\u65b0\u5143\u7d204\u63d2\u5165\u5230\u6307\u5b9a\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
2\u3001insert()<\/code>\u65b9\u6cd5\u7684\u4f18\u70b9<\/h4>\n<\/p>\n
\u7075\u6d3b\u6027<\/strong>\uff1ainsert()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5728\u5217\u8868\u7684\u4efb\u610f\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5217\u8868\u76f8\u52a0\u64cd\u4f5c\u7b26<\/h3>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u76f8\u52a0\u64cd\u4f5c\u7b26\uff08+<\/code>\uff09\u5c06\u4e00\u4e2a\u6570\u8ffd\u52a0\u5230\u5217\u8868\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
my_list = [1, 2, 3]<\/p>\n
my_list = my_list + [4]<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3, 4]<\/p>\n
<\/code><\/pre>\n<\/p>\n
1\u3001\u793a\u4f8b\u89e3\u91ca<\/h4>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5c06\u539f\u6709\u5217\u8868my_list<\/code>\u4e0e\u5305\u542b\u65b0\u5143\u7d20\u7684\u5217\u8868[4]<\/code>\u76f8\u52a0\uff0c\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u56demy_list<\/code>\u3002<\/p>\n<\/p>\n
2\u3001\u5217\u8868\u76f8\u52a0\u64cd\u4f5c\u7b26\u7684\u4f18\u70b9<\/h4>\n<\/p>\n
\u7075\u6d3b\u6027<\/strong>\uff1a\u53ef\u4ee5\u540c\u65f6\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u76f4\u89c2\u6027<\/strong>\uff1a\u5217\u8868\u76f8\u52a0\u64cd\u4f5c\u7b26\u4e0e\u6570\u5b66\u4e2d\u7684\u52a0\u6cd5\u64cd\u4f5c\u7c7b\u4f3c\uff0c\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n
\u867d\u7136\u5217\u8868\u63a8\u5bfc\u5f0f\u901a\u5e38\u7528\u4e8e\u751f\u6210\u65b0\u7684\u5217\u8868\uff0c\u4f46\u4e5f\u53ef\u4ee5\u7528\u6765\u8ffd\u52a0\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
my_list = [1, 2, 3]<\/p>\n
my_list = [x for x in my_list] + [4]<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 2, 3, 4]<\/p>\n
<\/code><\/pre>\n<\/p>\n
1\u3001\u793a\u4f8b\u89e3\u91ca<\/h4>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u521b\u5efa\u4e86\u4e00\u4e2a\u4e0e\u539f\u5217\u8868\u76f8\u540c\u7684\u65b0\u5217\u8868\uff0c\u7136\u540e\u5c06\u65b0\u5143\u7d20\u8ffd\u52a0\u5230\u65b0\u5217\u8868\u7684\u672b\u5c3e\u3002<\/p>\n<\/p>\n
2\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u4f18\u70b9<\/h4>\n<\/p>\n
\u7075\u6d3b\u6027<\/strong>\uff1a\u5217\u8868\u63a8\u5bfc\u5f0f\u9002\u7528\u4e8e\u66f4\u590d\u6742\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u53d8\u6362\u6216\u8fc7\u6ee4\u3002<\/p>\n<\/p>\n
\n
\u4e94\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u5c06\u4e00\u4e2a\u6570\u8ffd\u52a0\u5230\u5217\u8868\u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u6700\u5e38\u7528\u548c\u63a8\u8350\u7684\u65b9\u6cd5\u662f\u4f7f\u7528append()<\/code>\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u7b80\u6d01\u3001\u9ad8\u6548\u4e14\u6613\u4e8e\u4f7f\u7528\u3002\u6b64\u5916\uff0cinsert()<\/code>\u65b9\u6cd5\u3001\u5217\u8868\u76f8\u52a0\u64cd\u4f5c\u7b26\u548c\u5217\u8868\u63a8\u5bfc\u5f0f\u4e5f\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u7075\u6d3b\u6027\u548c\u529f\u80fd\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u3002\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u7406\u89e3\u8fd9\u4e9b\u65b9\u6cd5\u53ca\u5176\u4f18\u7f3a\u70b9\uff0c\u60a8\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u64cd\u4f5cPython\u5217\u8868\uff0c\u5b8c\u6210\u5404\u79cd\u7f16\u7a0b\u4efb\u52a1\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u5c06\u4e00\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u7279\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u5c06\u6570\u5b575\u63d2\u5165\u5230\u5217\u8868\u7684\u7d22\u5f151\u5904\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a  <\/p>\n
my_list = [1, 2, 3]\nmy_list.insert(1, 5)\nprint(my_list)  # \u8f93\u51fa: [1, 5, 2, 3]\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8\u60a8\u7075\u6d3b\u63a7\u5236\u5143\u7d20\u5728\u5217\u8868\u4e2d\u7684\u4f4d\u7f6e\u3002<\/p>\n
\u4f7f\u7528append()\u65b9\u6cd5\u548cextend()\u65b9\u6cd5\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong>
append()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5c06\u5355\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\uff0c\u800cextend()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u53e6\u4e00\u4e2a\u5217\u8868\uff09\u4e2d\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u539f\u5217\u8868\u3002\u4f8b\u5982\uff1a  <\/p>\n
my_list = [1, 2, 3]\nmy_list.append(4)  # my_list \u53d8\u4e3a [1, 2, 3, 4]\nmy_list.extend([5, 6])  # my_list \u53d8\u4e3a [1, 2, 3, 4, 5, 6]\n<\/code><\/pre>\n
\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u60a8\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5217\u8868\u5185\u5bb9\u3002<\/p>\n
\u5982\u4f55\u907f\u514d\u5728\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u65f6\u4ea7\u751f\u91cd\u590d\u503c\uff1f<\/strong>
\u4e3a\u4e86\u907f\u514d\u5728\u5217\u8868\u4e2d\u6dfb\u52a0\u91cd\u590d\u503c\uff0c\u60a8\u53ef\u4ee5\u5728\u6dfb\u52a0\u5143\u7d20\u4e4b\u524d\u68c0\u67e5\u8be5\u5143\u7d20\u662f\u5426\u5df2\u7ecf\u5b58\u5728\u4e8e\u5217\u8868\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a  <\/p>\n
my_list = [1, 2, 3]\nnew_number = 2\nif new_number not in my_list:\n    my_list.append(new_number)\nprint(my_list)  # \u8f93\u51fa: [1, 2, 3]\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u786e\u4fdd\u4e86\u5217\u8868\u4e2d\u53ea\u5305\u542b\u552f\u4e00\u7684\u5143\u7d20\uff0c\u4fdd\u6301\u6570\u636e\u7684\u6574\u6d01\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u5c06\u4e00\u4e2a\u6570\u8ffd\u52a0\u5230\u5217\u8868\u4e2d\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u6700\u5e38\u7528\u7684\u5305\u62ec\u4f7f\u7528append()\u65b9\u6cd5\u3001insert()\u65b9\u6cd5 […]","protected":false},"author":3,"featured_media":1145533,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1145529"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1145529"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1145529\/revisions"}],"predecessor-version":[{"id":1145534,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1145529\/revisions\/1145534"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1145533"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1145529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1145529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1145529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}