{"id":966352,"date":"2024-12-27T04:46:48","date_gmt":"2024-12-26T20:46:48","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/966352.html"},"modified":"2024-12-27T04:46:51","modified_gmt":"2024-12-26T20:46:51","slug":"python%e5%a6%82%e4%bd%95%e5%88%a0%e9%99%a4%e5%8d%95%e4%b8%aa%e7%89%a9%e4%bd%93","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/966352.html","title":{"rendered":"python\u5982\u4f55\u5220\u9664\u5355\u4e2a\u7269\u4f53"},"content":{"rendered":"

\"python\u5982\u4f55\u5220\u9664\u5355\u4e2a\u7269\u4f53\"<\/p>\n

\u5f00\u5934\u6bb5\u843d\uff1a<\/p>\n<\/p>\n

\u5728Python\u4e2d\u5220\u9664\u5355\u4e2a\u5bf9\u8c61\u7684\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528del<\/code>\u5173\u952e\u5b57\u3001\u8c03\u7528remove()<\/code>\u65b9\u6cd5\u3001\u4f7f\u7528pop()<\/code>\u65b9\u6cd5<\/strong>\u6765\u5b9e\u73b0\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u6839\u636e\u4e0d\u540c\u7684\u6570\u636e\u7ed3\u6784\u548c\u9700\u6c42\u63d0\u4f9b\u4e86\u591a\u79cd\u9009\u62e9\u3002\u5176\u4e2d\uff0cdel<\/code>\u5173\u952e\u5b57\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5<\/strong>\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u5220\u9664\u53d8\u91cf\u3001\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3001\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\u7b49\u3002\u4f7f\u7528del<\/code>\u5173\u952e\u5b57\u65f6\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u5185\u5b58\u7ba1\u7406\u548c\u5bf9\u8c61\u5f15\u7528\u7684\u95ee\u9898\uff0c\u56e0\u4e3a\u5220\u9664\u64cd\u4f5c\u4f1a\u5f71\u54cd\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\uff0c\u4ece\u800c\u53ef\u80fd\u5bfc\u81f4\u672a\u5b9a\u4e49\u7684\u884c\u4e3a\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u63a2\u8ba8\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f7f\u7528\u573a\u666f\u3001\u6ce8\u610f\u4e8b\u9879\u548c\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528del<\/code>\u5173\u952e\u5b57<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0cdel<\/code>\u5173\u952e\u5b57\u662f\u5220\u9664\u5bf9\u8c61\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u5220\u9664\u53d8\u91cf\u3001\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3001\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9\u3002<\/p>\n<\/p>\n

    \n
  1. \u5220\u9664\u53d8\u91cf<\/li>\n<\/ol>\n

    \u4f7f\u7528del<\/code>\u53ef\u4ee5\u76f4\u63a5\u5220\u9664\u4e00\u4e2a\u53d8\u91cf\uff0c\u4f7f\u5176\u5728\u5185\u5b58\u4e2d\u4e0d\u518d\u5b58\u5728\uff1a<\/p>\n<\/p>\n

    x = 10<\/p>\n
    del x<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u5220\u9664\u540e\uff0c\u5c1d\u8bd5\u8bbf\u95ee\u53d8\u91cfx<\/code>\u5c06\u5bfc\u81f4NameError\uff0c\u56e0\u4e3a\u53d8\u91cf\u5df2\u7ecf\u88ab\u5220\u9664\u3002<\/p>\n<\/p>\n
      \n
    1. \u5220\u9664\u5217\u8868\u4e2d\u7684\u5143\u7d20<\/li>\n<\/ol>\n
      del<\/code>\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5220\u9664\u5217\u8868\u4e2d\u7684\u7279\u5b9a\u5143\u7d20\uff0c\u901a\u8fc7\u6307\u5b9a\u5143\u7d20\u7684\u7d22\u5f15\u6765\u5b9e\u73b0\uff1a<\/p>\n<\/p>\n
      lst = [1, 2, 3, 4, 5]<\/p>\n
      del lst[2]  # \u5220\u9664\u7d22\u5f15\u4e3a2\u7684\u5143\u7d20\uff0c\u5373\u6570\u5b573<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5220\u9664\u540e\uff0c\u5217\u8868\u53d8\u4e3a [1, 2, 4, 5]<\/code>\u3002<\/p>\n<\/p>\n
        \n
      1. \u5220\u9664\u5b57\u5178\u4e2d\u7684\u952e\u503c\u5bf9<\/li>\n<\/ol>\n
        \u5bf9\u4e8e\u5b57\u5178\uff0c\u53ef\u4ee5\u4f7f\u7528del<\/code>\u5220\u9664\u7279\u5b9a\u7684\u952e\u503c\u5bf9\uff1a<\/p>\n<\/p>\n
        d = {'a': 1, 'b': 2, 'c': 3}<\/p>\n
        del d['b']  # \u5220\u9664\u952e\u4e3a'b'\u7684\u952e\u503c\u5bf9<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5220\u9664\u540e\uff0c\u5b57\u5178\u53d8\u4e3a {'a': 1, 'c': 3}<\/code>\u3002<\/p>\n<\/p>\n
        \u4e8c\u3001\u4f7f\u7528remove()<\/code>\u65b9\u6cd5<\/p>\n<\/p>\n
        remove()<\/code>\u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u5217\u8868\u4e2d\uff0c\u6839\u636e\u503c\u6765\u5220\u9664\u5143\u7d20\uff0c\u800c\u4e0d\u662f\u7d22\u5f15\u3002<\/p>\n<\/p>\n
          \n
        1. \u5220\u9664\u5217\u8868\u4e2d\u6307\u5b9a\u7684\u503c<\/li>\n<\/ol>\n
          remove()<\/code>\u4f1a\u5220\u9664\u5217\u8868\u4e2d\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u503c\uff1a<\/p>\n<\/p>\n
          lst = [1, 2, 3, 4, 5]<\/p>\n
          lst.remove(3)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u5220\u9664\u540e\uff0c\u5217\u8868\u53d8\u4e3a [1, 2, 4, 5]<\/code>\u3002\u5982\u679c\u503c\u4e0d\u5b58\u5728\uff0cremove()<\/code>\u5c06\u5f15\u53d1ValueError<\/code>\u3002<\/p>\n<\/p>\n
            \n
          1. \u5904\u7406\u91cd\u590d\u503c<\/li>\n<\/ol>\n
            \u5982\u679c\u5217\u8868\u4e2d\u6709\u91cd\u590d\u503c\uff0cremove()<\/code>\u53ea\u4f1a\u5220\u9664\u7b2c\u4e00\u4e2a\u51fa\u73b0\u7684\u503c\uff1a<\/p>\n<\/p>\n
            lst = [1, 2, 3, 2, 4, 5]<\/p>\n
            lst.remove(2)<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u5220\u9664\u540e\uff0c\u5217\u8868\u53d8\u4e3a [1, 3, 2, 4, 5]<\/code>\u3002\u53ef\u4ee5\u5728\u5220\u9664\u540e\u7ee7\u7eed\u8c03\u7528remove()<\/code>\u6765\u5220\u9664\u5269\u4f59\u7684\u76f8\u540c\u503c\u3002<\/p>\n<\/p>\n
            \u4e09\u3001\u4f7f\u7528pop()<\/code>\u65b9\u6cd5<\/p>\n<\/p>\n
            pop()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5220\u9664\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u8be5\u5143\u7d20\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u9700\u8981\u540c\u65f6\u5220\u9664\u548c\u83b7\u53d6\u5143\u7d20\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
              \n
            1. \u6309\u7d22\u5f15\u5220\u9664\u5e76\u83b7\u53d6\u503c<\/li>\n<\/ol>\n
              pop()<\/code>\u9700\u8981\u63d0\u4f9b\u7d22\u5f15\u53c2\u6570\uff0c\u5220\u9664\u8be5\u4f4d\u7f6e\u7684\u5143\u7d20\u5e76\u8fd4\u56de\uff1a<\/p>\n<\/p>\n
              lst = [1, 2, 3, 4, 5]<\/p>\n
              value = lst.pop(2)  # \u5220\u9664\u7d22\u5f15\u4e3a2\u7684\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u5b83<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u5220\u9664\u540e\uff0c\u5217\u8868\u53d8\u4e3a [1, 2, 4, 5]<\/code>\uff0c\u800cvalue<\/code>\u5c06\u662f 3<\/code>\u3002<\/p>\n<\/p>\n
                \n
              1. \u5220\u9664\u5e76\u83b7\u53d6\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/li>\n<\/ol>\n
                \u5982\u679c\u6ca1\u6709\u63d0\u4f9b\u7d22\u5f15\uff0cpop()<\/code>\u5c06\u5220\u9664\u5e76\u8fd4\u56de\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n<\/p>\n
                lst = [1, 2, 3, 4, 5]<\/p>\n
                value = lst.pop()  # \u5220\u9664\u5e76\u8fd4\u56de\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u5220\u9664\u540e\uff0c\u5217\u8868\u53d8\u4e3a [1, 2, 3, 4]<\/code>\uff0c\u800cvalue<\/code>\u5c06\u662f 5<\/code>\u3002<\/p>\n<\/p>\n
                \u56db\u3001\u5185\u5b58\u7ba1\u7406\u4e0e\u5bf9\u8c61\u5f15\u7528<\/p>\n<\/p>\n
                \u5728Python\u4e2d\uff0c\u5185\u5b58\u7ba1\u7406\u548c\u5bf9\u8c61\u5f15\u7528\u9700\u8981\u7279\u522b\u6ce8\u610f\uff0c\u5c24\u5176\u662f\u5728\u4f7f\u7528del<\/code>\u5173\u952e\u5b57\u65f6\u3002<\/p>\n<\/p>\n
                  \n
                1. \u5bf9\u8c61\u5f15\u7528\u8ba1\u6570<\/li>\n<\/ol>\n
                  Python\u4f7f\u7528\u5f15\u7528\u8ba1\u6570\u6765\u7ba1\u7406\u5185\u5b58\uff0c\u5f53\u4e00\u4e2a\u5bf9\u8c61\u7684\u5f15\u7528\u8ba1\u6570\u4e3a\u96f6\u65f6\uff0c\u5b83\u5c06\u88ab\u5783\u573e\u56de\u6536\u3002\u5982\u679c\u5220\u9664\u4e00\u4e2a\u5bf9\u8c61\u7684\u6700\u540e\u4e00\u4e2a\u5f15\u7528\uff0c\u5185\u5b58\u4f1a\u88ab\u91ca\u653e\uff1a<\/p>\n<\/p>\n
                  a = [1, 2, 3]<\/p>\n
                  b = a<\/p>\n
                  del a  # \u4ec5\u5220\u9664\u4e86a\u7684\u5f15\u7528<\/p>\n
                  b\u4ecd\u7136\u5f15\u7528\u7740\u5217\u8868\u5bf9\u8c61<\/strong><\/h2>\n
                  <\/code><\/pre>\n<\/p>\n
                  \u5728\u6b64\u4f8b\u4e2d\uff0cb<\/code>\u4ecd\u7136\u4fdd\u6301\u5bf9\u5217\u8868\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u56e0\u6b64\u5bf9\u8c61\u4e0d\u4f1a\u88ab\u56de\u6536\u3002<\/p>\n<\/p>\n
                    \n
                  1. \u907f\u514d\u672a\u5b9a\u4e49\u7684\u884c\u4e3a<\/li>\n<\/ol>\n
                    \u5220\u9664\u5bf9\u8c61\u65f6\uff0c\u786e\u4fdd\u6ca1\u6709\u5176\u4ed6\u5730\u65b9\u4ecd\u5728\u4f7f\u7528\u8be5\u5bf9\u8c61\uff0c\u5426\u5219\u53ef\u80fd\u5bfc\u81f4\u672a\u5b9a\u4e49\u7684\u884c\u4e3a\u6216\u9519\u8bef\uff1a<\/p>\n<\/p>\n
                    def modify_list(lst):<\/p>\n
                        del lst[0]  # \u5220\u9664\u7b2c\u4e00\u4e2a\u5143\u7d20<\/p>\n
                    my_list = [1, 2, 3]<\/p>\n
                    modify_list(my_list)<\/p>\n
                    print(my_list)  # \u8f93\u51fa\uff1a[2, 3]<\/p>\n
                    <\/code><\/pre>\n<\/p>\n
                    \u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n
                    \u5220\u9664\u5355\u4e2a\u5bf9\u8c61\u5728Python\u4e2d\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u9700\u6c42\u548c\u6570\u636e\u7ed3\u6784\u3002del<\/code>\u5173\u952e\u5b57\u3001remove()<\/code>\u65b9\u6cd5\u548cpop()<\/code>\u65b9\u6cd5<\/strong>\u5404\u6709\u5176\u9002\u7528\u7684\u573a\u666f\u548c\u4f18\u7f3a\u70b9\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u6ce8\u610f\u5185\u5b58\u7ba1\u7406\u548c\u5bf9\u8c61\u5f15\u7528\uff0c\u4ee5\u907f\u514d\u6f5c\u5728\u7684\u9519\u8bef\u548c\u5185\u5b58\u6cc4\u6f0f\u3002\u6b64\u5916\uff0c\u7406\u89e3Python\u7684\u5185\u5b58\u7ba1\u7406\u673a\u5236\u548c\u5783\u573e\u56de\u6536\u7b56\u7565\u6709\u52a9\u4e8e\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n<\/p>\n
                    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                     \u5982\u4f55\u5728Python\u4e2d\u5220\u9664\u7279\u5b9a\u7684\u5bf9\u8c61\uff1f<\/strong>
                    \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528del<\/code>\u8bed\u53e5\u6765\u5220\u9664\u4e00\u4e2a\u7279\u5b9a\u7684\u5bf9\u8c61\u3002\u53ea\u9700\u6307\u5b9a\u5bf9\u8c61\u7684\u540d\u79f0\uff0c\u4f8b\u5982\uff1adel my_object<\/code>\u3002\u5982\u679c\u5bf9\u8c61\u662f\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u5143\u7d20\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u76f8\u5e94\u7684\u65b9\u6cd5\uff0c\u5982remove()<\/code>\uff0c\u4f8b\u5982\uff1amy_list.remove(my_object)<\/code>\uff0c\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u53ea\u5220\u9664\u8be5\u7279\u5b9a\u5143\u7d20\u3002<\/p>\n
                    \u5728Python\u4e2d\uff0c\u5220\u9664\u5bf9\u8c61\u540e\u662f\u5426\u4f1a\u5f71\u54cd\u5176\u4ed6\u5bf9\u8c61\uff1f<\/strong>
                    \u5220\u9664\u5bf9\u8c61\u540e\uff0c\u5982\u679c\u8be5\u5bf9\u8c61\u6ca1\u6709\u5176\u4ed6\u5f15\u7528\uff0c\u90a3\u4e48\u5b83\u5c06\u88ab\u5783\u573e\u6536\u96c6\u5668\u6e05\u7406\u3002\u5982\u679c\u591a\u4e2a\u53d8\u91cf\u5f15\u7528\u540c\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5220\u9664\u5176\u4e2d\u4e00\u4e2a\u53d8\u91cf\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u53d8\u91cf\u6240\u5f15\u7528\u7684\u5bf9\u8c61\u3002\u56e0\u6b64\uff0c\u7406\u89e3\u5bf9\u8c61\u7684\u5f15\u7528\u5173\u7cfb\u975e\u5e38\u91cd\u8981\uff0c\u4ee5\u907f\u514d\u610f\u5916\u7684\u9519\u8bef\u3002<\/p>\n
                    \u4f7f\u7528Python\u5185\u7f6e\u7684\u6570\u636e\u7ed3\u6784\u65f6\uff0c\u5982\u4f55\u9ad8\u6548\u5730\u5220\u9664\u5143\u7d20\uff1f<\/strong>
                    \u5728Python\u4e2d\uff0c\u4e0d\u540c\u7684\u6570\u636e\u7ed3\u6784\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u5220\u9664\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528remove()<\/code>\u6216pop()<\/code>\u65b9\u6cd5\uff0c\u800c\u5bf9\u4e8e\u5b57\u5178\uff0c\u53ef\u4ee5\u4f7f\u7528pop()<\/code>\u6216del<\/code>\u5173\u952e\u5b57\u3002\u5982\u679c\u9700\u8981\u9891\u7e41\u5220\u9664\u5143\u7d20\uff0c\u8003\u8651\u4f7f\u7528\u96c6\u5408\uff08set\uff09\uff0c\u56e0\u4e3a\u5176\u5220\u9664\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u901a\u5e38\u66f4\u4f4e\u3002\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\u5c06\u6709\u52a9\u4e8e\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5f00\u5934\u6bb5\u843d\uff1a \u5728Python\u4e2d\u5220\u9664\u5355\u4e2a\u5bf9\u8c61\u7684\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528del\u5173\u952e\u5b57\u3001\u8c03\u7528remove()\u65b9\u6cd5\u3001\u4f7f\u7528pop( […]","protected":false},"author":3,"featured_media":966361,"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\/966352"}],"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=966352"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/966352\/revisions"}],"predecessor-version":[{"id":966363,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/966352\/revisions\/966363"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/966361"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=966352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=966352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=966352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}