{"id":974871,"date":"2024-12-27T06:08:41","date_gmt":"2024-12-26T22:08:41","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/974871.html"},"modified":"2024-12-27T06:08:43","modified_gmt":"2024-12-26T22:08:43","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%88%a0%e9%99%a4%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/974871.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u5220\u9664\u5143\u7d20"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u5220\u9664\u5143\u7d20\"<\/p>\n

\u5728Python\u4e2d\u5220\u9664\u5143\u7d20\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u548c\u65b9\u6cd5\uff0c\u5982remove()<\/code>\u3001pop()<\/code>\u3001del<\/code>\u3001\u4ee5\u53ca\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u7b49\u3002\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u4f7f\u7528\uff0c\u5206\u522b\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f<\/strong>\u3002\u4f8b\u5982\uff1a\u5f53\u4f60\u60f3\u6839\u636e\u5143\u7d20\u7684\u503c\u5220\u9664\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528remove()<\/code>\uff1b\u5f53\u4f60\u6839\u636e\u7d22\u5f15\u5220\u9664\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528pop()<\/code>\u6216del<\/code>\uff1b\u800c\u5982\u679c\u60f3\u8981\u8fc7\u6ee4\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u6bcf\u4e00\u79cd\u65b9\u6cd5\u7684\u4f7f\u7528\u573a\u666f\u53ca\u5176\u4f18\u7f3a\u70b9\u3002<\/p>\n<\/p>\n

\u4e00\u3001REMOVE()\u65b9\u6cd5<\/p>\n<\/p>\n

remove()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5220\u9664\u5217\u8868\u4e2d\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u6307\u5b9a\u503c\u3002\u5982\u679c\u5217\u8868\u4e2d\u6709\u591a\u4e2a\u76f8\u540c\u7684\u503c\uff0c\u5b83\u53ea\u4f1a\u5220\u9664\u7b2c\u4e00\u4e2a\u3002\u4f7f\u7528remove()<\/code>\u7684\u4e00\u4e2a\u6ce8\u610f\u70b9\u662f\uff0c\u5982\u679c\u503c\u5728\u5217\u8868\u4e2d\u4e0d\u5b58\u5728\uff0c\u4f1a\u5f15\u53d1ValueError<\/code>\u5f02\u5e38\u3002<\/p>\n<\/p>\n

# \u793a\u4f8b<\/p>\n
my_list = [1, 2, 3, 4, 2, 5]<\/p>\n
my_list.remove(2)<\/p>\n
print(my_list)  # \u8f93\u51fa: [1, 3, 4, 2, 5]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f18\u70b9<\/strong>\uff1a<\/p>\n<\/p>\n
    \n
  • \u76f4\u89c2\u4e14\u6613\u4e8e\u4f7f\u7528\u3002<\/li>\n
  • \u9002\u7528\u4e8e\u5220\u9664\u5df2\u77e5\u503c\u7684\u60c5\u51b5\u3002<\/li>\n<\/ul>\n
    \u7f3a\u70b9<\/strong>\uff1a<\/p>\n<\/p>\n
      \n
    • \u53ea\u80fd\u5220\u9664\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u5143\u7d20\u3002<\/li>\n
    • \u82e5\u5143\u7d20\u4e0d\u5b58\u5728\uff0c\u4f1a\u5f15\u53d1\u5f02\u5e38\u3002<\/li>\n<\/ul>\n
      \u4e8c\u3001POP()\u65b9\u6cd5<\/p>\n<\/p>\n
      pop()<\/code>\u65b9\u6cd5\u6839\u636e\u7d22\u5f15\u5220\u9664\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u88ab\u5220\u9664\u7684\u5143\u7d20\u3002\u5982\u679c\u4e0d\u63d0\u4f9b\u7d22\u5f15\uff0c\u9ed8\u8ba4\u5220\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002\u4e0eremove()<\/code>\u4e0d\u540c\u7684\u662f\uff0c\u5b83\u4e0d\u4f1a\u5f15\u53d1\u9519\u8bef\uff0c\u800c\u662f\u8fd4\u56de\u88ab\u5220\u9664\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
      # \u793a\u4f8b<\/p>\n
      my_list = [1, 2, 3, 4, 5]<\/p>\n
      removed_element = my_list.pop(2)<\/p>\n
      print(my_list)  # \u8f93\u51fa: [1, 2, 4, 5]<\/p>\n
      print(removed_element)  # \u8f93\u51fa: 3<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u4f18\u70b9<\/strong>\uff1a<\/p>\n<\/p>\n
        \n
      • \u53ef\u4ee5\u5220\u9664\u5e76\u8fd4\u56de\u5143\u7d20\u3002<\/li>\n
      • \u652f\u6301\u5220\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7b80\u4fbf\u7528\u6cd5\u3002<\/li>\n<\/ul>\n
        \u7f3a\u70b9<\/strong>\uff1a<\/p>\n<\/p>\n
          \n
        • \u9700\u8981\u77e5\u9053\u5143\u7d20\u7684\u7d22\u5f15\u3002<\/li>\n
        • \u7d22\u5f15\u8d8a\u754c\u4f1a\u5f15\u53d1IndexError<\/code>\u3002<\/li>\n<\/ul>\n
          \u4e09\u3001DEL\u8bed\u53e5<\/p>\n<\/p>\n
          del<\/code>\u8bed\u53e5\u7528\u4e8e\u6839\u636e\u7d22\u5f15\u5220\u9664\u5143\u7d20\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5220\u9664\u6574\u4e2a\u5217\u8868\u6216\u5207\u7247\u3002\u5b83\u76f4\u63a5\u4fee\u6539\u5217\u8868\uff0c\u4e0d\u8fd4\u56de\u4efb\u4f55\u503c\u3002<\/p>\n<\/p>\n
          # \u793a\u4f8b<\/p>\n
          my_list = [1, 2, 3, 4, 5]<\/p>\n
          del my_list[2]<\/p>\n
          print(my_list)  # \u8f93\u51fa: [1, 2, 4, 5]<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u4f18\u70b9<\/strong>\uff1a<\/p>\n<\/p>\n
            \n
          • \u975e\u5e38\u7075\u6d3b\uff0c\u53ef\u4ee5\u5220\u9664\u5355\u4e2a\u5143\u7d20\u3001\u5207\u7247\u6216\u6574\u4e2a\u5217\u8868\u3002<\/li>\n
          • \u65e0\u8fd4\u56de\u503c\uff0c\u64cd\u4f5c\u76f4\u63a5\u3002<\/li>\n<\/ul>\n
            \u7f3a\u70b9<\/strong>\uff1a<\/p>\n<\/p>\n
              \n
            • \u9700\u8981\u77e5\u9053\u5177\u4f53\u7684\u7d22\u5f15\u6216\u5207\u7247\u3002<\/li>\n<\/ul>\n
              \u56db\u3001\u5217\u8868\u63a8\u5bfc\u5f0f<\/p>\n<\/p>\n
              \u5217\u8868\u63a8\u5bfc\u5f0f\u53ef\u4ee5\u7528\u4e8e\u8fc7\u6ee4\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u4ece\u800c\u95f4\u63a5\u5b9e\u73b0\u5220\u9664\u5143\u7d20\u7684\u6548\u679c\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u5220\u9664\u6240\u6709\u6ee1\u8db3\u67d0\u4e00\u6761\u4ef6\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
              # \u793a\u4f8b<\/p>\n
              my_list = [1, 2, 3, 4, 5]<\/p>\n
              my_list = [x for x in my_list if x != 3]<\/p>\n
              print(my_list)  # \u8f93\u51fa: [1, 2, 4, 5]<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u4f18\u70b9<\/strong>\uff1a<\/p>\n<\/p>\n
                \n
              • \u7075\u6d3b\uff0c\u80fd\u591f\u5220\u9664\u6240\u6709\u6ee1\u8db3\u6761\u4ef6\u7684\u5143\u7d20\u3002<\/li>\n
              • \u975e\u5e38\u9002\u5408\u7528\u4e8e\u6279\u91cf\u5220\u9664\u3002<\/li>\n<\/ul>\n
                \u7f3a\u70b9<\/strong>\uff1a<\/p>\n<\/p>\n
                  \n
                • \u9700\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/li>\n<\/ul>\n
                  \u4e94\u3001\u5176\u4ed6\u65b9\u6cd5<\/p>\n<\/p>\n
                    \n
                  1. \n
                    \u96c6\u5408\u65b9\u6cd5<\/strong>\uff1a\u5bf9\u4e8e\u4e0d\u9700\u8981\u4fdd\u6301\u987a\u5e8f\u4e14\u5143\u7d20\u552f\u4e00\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u5c06\u5217\u8868\u8f6c\u4e3a\u96c6\u5408\uff0c\u4f7f\u7528discard()<\/code>\u6216remove()<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<\/li>\n
                  2. \n
                    \u8fc7\u6ee4\u5668\u51fd\u6570<\/strong>\uff1a\u4f7f\u7528filter()<\/code>\u51fd\u6570\u7ed3\u5408lambda<\/code>\u8868\u8fbe\u5f0f\u6765\u8fc7\u6ee4\u5217\u8868\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
                    # \u793a\u4f8b<\/p>\n
                    my_list = [1, 2, 3, 4, 5]<\/p>\n
                    filtered_list = list(filter(lambda x: x != 3, my_list))<\/p>\n
                    print(filtered_list)  # \u8f93\u51fa: [1, 2, 4, 5]<\/p>\n
                    <\/code><\/pre>\n<\/p>\n
                    \u603b\u7ed3\uff1a\u5728Python\u4e2d\u5220\u9664\u5143\u7d20\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027<\/strong>\u3002remove()<\/code>\u548cpop()<\/code>\u9002\u5408\u5c0f\u89c4\u6a21\u7684\u5220\u9664\u64cd\u4f5c\uff0c\u800c\u5217\u8868\u63a8\u5bfc\u5f0f\u548cfilter()<\/code>\u66f4\u9002\u5408\u590d\u6742\u6216\u6279\u91cf\u7684\u5220\u9664\u9700\u6c42\u3002\u6839\u636e\u5177\u4f53\u60c5\u51b5\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u4f1a\u4f7f\u4f60\u7684\u4ee3\u7801\u66f4\u4e3a\u9ad8\u6548\u548c\u7b80\u6d01\u3002<\/p>\n<\/p>\n
                    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                     \u5728Python\u4e2d\uff0c\u5220\u9664\u5143\u7d20\u7684\u5e38\u7528\u65b9\u6cd5\u6709\u54ea\u4e9b\uff1f<\/strong>
                    \u5728Python\u4e2d\uff0c\u5220\u9664\u5143\u7d20\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u5305\u62ec\u4f7f\u7528del<\/code>\u8bed\u53e5\u3001remove()<\/code>\u65b9\u6cd5\u3001pop()<\/code>\u65b9\u6cd5\u4ee5\u53ca\u5217\u8868\u63a8\u5bfc\u5f0f\u3002del<\/code>\u8bed\u53e5\u53ef\u4ee5\u7528\u4e8e\u5220\u9664\u5217\u8868\u4e2d\u7684\u7279\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u7684\u5143\u7d20\uff1bremove()<\/code>\u65b9\u6cd5\u5219\u662f\u901a\u8fc7\u503c\u6765\u5220\u9664\u5217\u8868\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5339\u914d\u9879\uff1b\u800cpop()<\/code>\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u5220\u9664\u5143\u7d20\uff0c\u8fd8\u4f1a\u8fd4\u56de\u88ab\u5220\u9664\u7684\u5143\u7d20\u3002\u5217\u8868\u63a8\u5bfc\u5f0f\u4e5f\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u65b0\u5217\u8868\uff0c\u5176\u4e2d\u6392\u9664\u4e86\u7279\u5b9a\u7684\u5143\u7d20\u3002<\/p>\n
                    \u4f7f\u7528remove()<\/code>\u65b9\u6cd5\u65f6\u6709\u4ec0\u4e48\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879\uff1f<\/strong>
                    \u4f7f\u7528remove()<\/code>\u65b9\u6cd5\u65f6\uff0c\u5982\u679c\u8981\u5220\u9664\u7684\u5143\u7d20\u5728\u5217\u8868\u4e2d\u4e0d\u5b58\u5728\uff0c\u4f1a\u5f15\u53d1ValueError<\/code>\u5f02\u5e38\u3002\u56e0\u6b64\uff0c\u5728\u8c03\u7528remove()<\/code>\u4e4b\u524d\uff0c\u5efa\u8bae\u5148\u4f7f\u7528in<\/code>\u8fd0\u7b97\u7b26\u68c0\u67e5\u5143\u7d20\u662f\u5426\u5b58\u5728\u3002\u6b64\u5916\uff0cremove()<\/code>\u53ea\u4f1a\u5220\u9664\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u5143\u7d20\uff0c\u5982\u679c\u5217\u8868\u4e2d\u6709\u91cd\u590d\u5143\u7d20\uff0c\u5176\u4ed6\u76f8\u540c\u7684\u5143\u7d20\u5c06\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n
                    \u5982\u4f55\u5728\u5b57\u5178\u4e2d\u5220\u9664\u7279\u5b9a\u7684\u952e\u503c\u5bf9\uff1f<\/strong>
                    \u8981\u5728\u5b57\u5178\u4e2d\u5220\u9664\u7279\u5b9a\u7684\u952e\u503c\u5bf9\uff0c\u53ef\u4ee5\u4f7f\u7528del<\/code>\u8bed\u53e5\u6216pop()<\/code>\u65b9\u6cd5\u3002\u4f7f\u7528del<\/code>\u8bed\u53e5\u65f6\uff0c\u9700\u63d0\u4f9b\u8981\u5220\u9664\u7684\u952e\u540d\uff1b\u800c\u4f7f\u7528pop()<\/code>\u65b9\u6cd5\u5219\u53ef\u4ee5\u5728\u5220\u9664\u7684\u540c\u65f6\u83b7\u53d6\u8be5\u952e\u5bf9\u5e94\u7684\u503c\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u5c1d\u8bd5\u5220\u9664\u4e0d\u5b58\u5728\u7684\u952e\uff0cdel<\/code>\u4f1a\u5f15\u53d1KeyError<\/code>\u5f02\u5e38\uff0c\u56e0\u6b64\u5efa\u8bae\u5728\u5220\u9664\u524d\u4f7f\u7528in<\/code>\u8fd0\u7b97\u7b26\u8fdb\u884c\u68c0\u67e5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5220\u9664\u5143\u7d20\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u548c\u65b9\u6cd5\uff0c\u5982remove()\u3001pop()\u3001del\u3001\u4ee5\u53ca\u4f7f\u7528 […]","protected":false},"author":3,"featured_media":974880,"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\/974871"}],"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=974871"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/974871\/revisions"}],"predecessor-version":[{"id":974883,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/974871\/revisions\/974883"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/974880"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=974871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=974871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=974871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}