{"id":1064006,"date":"2024-12-31T16:05:19","date_gmt":"2024-12-31T08:05:19","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1064006.html"},"modified":"2024-12-31T16:05:22","modified_gmt":"2024-12-31T08:05:22","slug":"python%e5%a6%82%e4%bd%95%e5%9c%a8%e5%88%97%e8%a1%a8%e4%b8%ad%e6%b7%bb%e5%8a%a0%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1064006.html","title":{"rendered":"python\u5982\u4f55\u5728\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20"},"content":{"rendered":"

\"python\u5982\u4f55\u5728\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\"<\/p>\n

Python\u5728\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528append()\u65b9\u6cd5\u3001\u4f7f\u7528insert()\u65b9\u6cd5\u3001\u4f7f\u7528extend()\u65b9\u6cd5\u3001\u4f7f\u7528\u5217\u8868\u5207\u7247\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5206\u522b\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u7075\u6d3b\u5730\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002\u4ee5\u4e0b\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4e2d\u7684\u4e00\u79cd\u65b9\u6cd5\uff1aappend()\u65b9\u6cd5\u3002<\/strong><\/p>\n<\/p>\n

append()\u65b9\u6cd5<\/strong>\u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u5217\u8868\u64cd\u4f5c\u65b9\u6cd5\u4e4b\u4e00\u3002\u5b83\u7528\u4e8e\u5728\u5217\u8868\u7684\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u5143\u7d20\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5217\u8868my_list = [1, 2, 3]<\/code>\uff0c\u4f7f\u7528my_list.append(4)<\/code>\u540e\uff0c\u5217\u8868\u5c06\u53d8\u4e3a[1, 2, 3, 4]<\/code>\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u6309\u987a\u5e8f\u6dfb\u52a0\u5143\u7d20\u7684\u573a\u666f\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728\u4e0d\u540c\u60c5\u51b5\u4e0b\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001APPEND()\u65b9\u6cd5<\/h3>\n<\/p>\n

\u4f7f\u7528append()\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u5217\u8868\u7684\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662fO(1)\uff0c\u5373\u5b83\u7684\u6267\u884c\u65f6\u95f4\u4e0d\u968f\u5217\u8868\u957f\u5ea6\u7684\u589e\u52a0\u800c\u589e\u52a0\u3002<\/p>\n<\/p>\n

# \u793a\u4f8b\u4ee3\u7801<\/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
append()\u65b9\u6cd5\u975e\u5e38\u76f4\u89c2\uff0c\u4e5f\u5f88\u5bb9\u6613\u4f7f\u7528\u3002\u5b83\u9002\u7528\u4e8e\u9700\u8981\u9010\u4e2a\u6dfb\u52a0\u5143\u7d20\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u4f7f\u7528append()\u65b9\u6cd5\u7684\u573a\u666f<\/h4>\n<\/p>\n
    \n
  1. \u6570\u636e\u6536\u96c6<\/strong>\uff1a\u5728\u6570\u636e\u5904\u7406\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u9010\u4e2a\u6536\u96c6\u6570\u636e\u70b9\uff0c\u53ef\u4ee5\u4f7f\u7528append()\u65b9\u6cd5\u5c06\u6bcf\u4e2a\u6570\u636e\u70b9\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002<\/li>\n
  2. \u6784\u5efa\u961f\u5217<\/strong>\uff1a\u5728\u67d0\u4e9b\u7b97\u6cd5\u4e2d\uff0c\u9700\u8981\u5c06\u5143\u7d20\u6309\u987a\u5e8f\u6dfb\u52a0\u5230\u961f\u5217\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528append()\u65b9\u6cd5\u3002<\/li>\n<\/ol>\n
    \u4e8c\u3001INSERT()\u65b9\u6cd5<\/h3>\n<\/p>\n
    \u4f7f\u7528insert()\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u5217\u8868\u7684\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\u3002\u5b83\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662fO(n)\uff0c\u56e0\u4e3a\u5728\u63d2\u5165\u4f4d\u7f6e\u4e4b\u540e\u7684\u6240\u6709\u5143\u7d20\u90fd\u9700\u8981\u5411\u540e\u79fb\u52a8\u3002<\/p>\n<\/p>\n
    # \u793a\u4f8b\u4ee3\u7801<\/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
    insert()\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u5728\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
    \u4f7f\u7528insert()\u65b9\u6cd5\u7684\u573a\u666f<\/h4>\n<\/p>\n
      \n
    1. \u6392\u5e8f\u63d2\u5165<\/strong>\uff1a\u5728\u6709\u5e8f\u5217\u8868\u4e2d\u63d2\u5165\u65b0\u5143\u7d20\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528insert()\u65b9\u6cd5\u5c06\u65b0\u5143\u7d20\u63d2\u5165\u5230\u5408\u9002\u7684\u4f4d\u7f6e\u3002<\/li>\n
    2. \u7279\u5b9a\u4f4d\u7f6e\u6dfb\u52a0<\/strong>\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u5728\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u8fd9\u65f6\u53ef\u4ee5\u4f7f\u7528insert()\u65b9\u6cd5\u3002<\/li>\n<\/ol>\n
      \u4e09\u3001EXTEND()\u65b9\u6cd5<\/h3>\n<\/p>\n
      \u4f7f\u7528extend()\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c06\u53e6\u4e00\u4e2a\u5217\u8868\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u5f53\u524d\u5217\u8868\u7684\u672b\u5c3e\u3002\u5b83\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662fO(k)\uff0c\u5176\u4e2dk\u662f\u8981\u6dfb\u52a0\u7684\u5143\u7d20\u4e2a\u6570\u3002<\/p>\n<\/p>\n
      # \u793a\u4f8b\u4ee3\u7801<\/p>\n
      my_list = [1, 2, 3]<\/p>\n
      my_list.extend([4, 5])<\/p>\n
      print(my_list)  # \u8f93\u51fa: [1, 2, 3, 4, 5]<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      extend()\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
      \u4f7f\u7528extend()\u65b9\u6cd5\u7684\u573a\u666f<\/h4>\n<\/p>\n
        \n
      1. \u5408\u5e76\u5217\u8868<\/strong>\uff1a\u5728\u9700\u8981\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u4e00\u4e2a\u5217\u8868\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528extend()\u65b9\u6cd5\u3002<\/li>\n
      2. \u6279\u91cf\u6dfb\u52a0<\/strong>\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u6279\u91cf\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528extend()\u65b9\u6cd5\u3002<\/li>\n<\/ol>\n
        \u56db\u3001\u5217\u8868\u5207\u7247<\/h3>\n<\/p>\n
        \u4f7f\u7528\u5217\u8868\u5207\u7247\uff0c\u53ef\u4ee5\u5728\u5217\u8868\u7684\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u53e6\u4e00\u4e2a\u5217\u8868\u7684\u5143\u7d20\u3002\u4e0einsert()\u65b9\u6cd5\u7c7b\u4f3c\uff0c\u5217\u8868\u5207\u7247\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e5f\u662fO(n)\u3002<\/p>\n<\/p>\n
        # \u793a\u4f8b\u4ee3\u7801<\/p>\n
        my_list = [1, 2, 3]<\/p>\n
        my_list[1:1] = [4, 5]<\/p>\n
        print(my_list)  # \u8f93\u51fa: [1, 4, 5, 2, 3]<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5217\u8868\u5207\u7247\u9002\u7528\u4e8e\u9700\u8981\u5728\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
        \u4f7f\u7528\u5217\u8868\u5207\u7247\u7684\u573a\u666f<\/h4>\n<\/p>\n
          \n
        1. \u6279\u91cf\u63d2\u5165<\/strong>\uff1a\u5728\u9700\u8981\u5728\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\u6279\u91cf\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u5207\u7247\u3002<\/li>\n
        2. \u590d\u6742\u64cd\u4f5c<\/strong>\uff1a\u5728\u67d0\u4e9b\u590d\u6742\u7684\u5217\u8868\u64cd\u4f5c\u4e2d\uff0c\u5217\u8868\u5207\u7247\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\u3002<\/li>\n<\/ol>\n
          \u4e94\u3001\u5176\u4ed6\u65b9\u6cd5<\/h3>\n<\/p>\n
          \u9664\u4e86\u4e0a\u8ff0\u5e38\u7528\u7684\u65b9\u6cd5\u5916\uff0cPython\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5176\u4ed6\u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002\u6bd4\u5982\uff0c\u4f7f\u7528+<\/code>\u64cd\u4f5c\u7b26\u53ef\u4ee5\u5408\u5e76\u4e24\u4e2a\u5217\u8868\uff0c\u4f7f\u7528*<\/code>\u64cd\u4f5c\u7b26\u53ef\u4ee5\u91cd\u590d\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
          # \u4f7f\u7528 + \u64cd\u4f5c\u7b26<\/p>\n
          my_list = [1, 2, 3]<\/p>\n
          new_list = my_list + [4, 5]<\/p>\n
          print(new_list)  # \u8f93\u51fa: [1, 2, 3, 4, 5]<\/p>\n
          \u4f7f\u7528 * \u64cd\u4f5c\u7b26<\/strong><\/h2>\n
          my_list = [1, 2, 3]<\/p>\n
          new_list = my_list * 2<\/p>\n
          print(new_list)  # \u8f93\u51fa: [1, 2, 3, 1, 2, 3]<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u63d0\u4f9b\u66f4\u591a\u7684\u7075\u6d3b\u6027\u548c\u4fbf\u5229\u6027\uff0c\u9002\u7528\u4e8e\u7279\u5b9a\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
          \u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
          \u5728Python\u4e2d\uff0c\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u5e38\u7528\u7684\u6709append()\u65b9\u6cd5\u3001insert()\u65b9\u6cd5\u3001extend()\u65b9\u6cd5\u548c\u5217\u8868\u5207\u7247\u7b49\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u7684\u573a\u666f\u548c\u4f18\u70b9\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n
          append()\u65b9\u6cd5<\/strong>\u9002\u7528\u4e8e\u6309\u987a\u5e8f\u6dfb\u52a0\u5143\u7d20\u7684\u573a\u666f\uff0cinsert()\u65b9\u6cd5<\/strong>\u9002\u7528\u4e8e\u9700\u8981\u5728\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u7684\u60c5\u51b5\uff0cextend()\u65b9\u6cd5<\/strong>\u9002\u7528\u4e8e\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u7684\u573a\u666f\uff0c\u800c\u5217\u8868\u5207\u7247<\/strong>\u5219\u9002\u7528\u4e8e\u9700\u8981\u5728\u7279\u5b9a\u4f4d\u7f6e\u6279\u91cf\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u7684\u60c5\u51b5\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u5217\u8868\u64cd\u4f5c\u66f4\u52a0\u9ad8\u6548\u548c\u4fbf\u6377\u3002<\/p>\n<\/p>\n
          \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
           \u5982\u4f55\u5728Python\u5217\u8868\u4e2d\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\uff1f<\/strong>
          \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528extend()<\/code>\u65b9\u6cd5\u6765\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u5230\u5217\u8868\u4e2d\u3002\u8fd9\u4e2a\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\u6216\u96c6\u5408\uff09\uff0c\u5e76\u5c06\u5176\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u76ee\u6807\u5217\u8868\u7684\u672b\u5c3e\u3002\u4f8b\u5982\uff1a  <\/p>\n
          my_list = [1, 2, 3]\nmy_list.extend([4, 5, 6])\nprint(my_list)  # \u8f93\u51fa: [1, 2, 3, 4, 5, 6]\n<\/code><\/pre>\n
          \u5728Python\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u65f6\uff0c\u662f\u5426\u4f1a\u5f71\u54cd\u539f\u5217\u8868\uff1f<\/strong>
          \u4f7f\u7528append()<\/code>\u6216extend()<\/code>\u65b9\u6cd5\u65f6\uff0c\u4f1a\u76f4\u63a5\u4fee\u6539\u539f\u5217\u8868\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002\u56e0\u6b64\uff0c\u5982\u679c\u5e0c\u671b\u4fdd\u6301\u539f\u5217\u8868\u4e0d\u53d8\uff0c\u53ef\u4ee5\u5148\u521b\u5efa\u539f\u5217\u8868\u7684\u526f\u672c\u3002\u5728\u590d\u5236\u5217\u8868\u540e\u518d\u8fdb\u884c\u6dfb\u52a0\u64cd\u4f5c\uff0c\u786e\u4fdd\u539f\u5217\u8868\u4fdd\u6301\u4e0d\u53d8\u3002\u4f8b\u5982\uff1a  <\/p>\n
          my_list = [1, 2, 3]\nnew_list = my_list.copy()\nnew_list.append(4)\nprint(my_list)  # \u8f93\u51fa: [1, 2, 3]\nprint(new_list)  # \u8f93\u51fa: [1, 2, 3, 4]\n<\/code><\/pre>\n
          \u5728Python\u4e2d\u6dfb\u52a0\u5143\u7d20\u65f6\uff0c\u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u9009\u62e9\uff1f<\/strong>
          \u9664\u4e86append()<\/code>\u548cextend()<\/code>\u65b9\u6cd5\uff0cPython\u5217\u8868\u8fd8\u53ef\u4ee5\u4f7f\u7528insert()<\/code>\u65b9\u6cd5\u5728\u7279\u5b9a\u4f4d\u7f6e\u6dfb\u52a0\u5143\u7d20\u3002\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff1a\u7d22\u5f15\u548c\u8981\u6dfb\u52a0\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a  <\/p>\n
          my_list = [1, 2, 3]\nmy_list.insert(1, 'a')  # \u5728\u7d22\u5f151\u7684\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20'a'\nprint(my_list)  # \u8f93\u51fa: [1, 'a', 2, 3]\n<\/code><\/pre>\n
          \u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u6839\u636e\u9700\u6c42\u5728\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5728\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528append()\u65b9\u6cd5\u3001\u4f7f\u7528insert()\u65b9\u6cd5\u3001\u4f7f\u7528extend() […]","protected":false},"author":3,"featured_media":1064017,"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\/1064006"}],"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=1064006"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1064006\/revisions"}],"predecessor-version":[{"id":1064021,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1064006\/revisions\/1064021"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1064017"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1064006"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1064006"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1064006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}