{"id":951163,"date":"2024-12-27T00:53:02","date_gmt":"2024-12-26T16:53:02","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/951163.html"},"modified":"2024-12-27T00:53:04","modified_gmt":"2024-12-26T16:53:04","slug":"python-%e5%a6%82%e4%bd%95%e6%b8%85%e7%a9%ba%e5%8f%98%e9%87%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/951163.html","title":{"rendered":"python \u5982\u4f55\u6e05\u7a7a\u53d8\u91cf"},"content":{"rendered":"

\"python<\/p>\n

\u5728Python\u4e2d\uff0c\u6e05\u7a7a\u53d8\u91cf\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528del<\/code>\u5173\u952e\u5b57\u5220\u9664\u53d8\u91cf\u3001\u5c06\u53d8\u91cf\u8d4b\u503c\u4e3aNone<\/code>\u3001\u901a\u8fc7\u91cd\u65b0\u8d4b\u503c\u6765\u8986\u76d6\u53d8\u91cf\u7684\u503c\u3002\u4f7f\u7528del<\/code>\u5173\u952e\u5b57\u53ef\u4ee5\u5f7b\u5e95\u5220\u9664\u53d8\u91cf\uff0c\u800c\u5c06\u53d8\u91cf\u8d4b\u503c\u4e3aNone<\/code>\u5219\u4fdd\u7559\u4e86\u53d8\u91cf\u540d\u4f46\u6e05\u9664\u4e86\u5176\u5f15\u7528\u3002<\/strong> \u5176\u4e2d\uff0cdel<\/code>\u5173\u952e\u5b57\u662f\u6700\u4e3a\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4ec5\u6e05\u7a7a\u4e86\u53d8\u91cf\u7684\u503c\uff0c\u8fd8\u4ece\u5185\u5b58\u4e2d\u5220\u9664\u4e86\u8be5\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u786e\u4fdd\u8be5\u53d8\u91cf\u4e0d\u518d\u88ab\u4f7f\u7528\u3002\u4f46\u662f\uff0c\u4f7f\u7528None<\/code>\u8d4b\u503c\u5219\u66f4\u5e38\u7528\u4e8e\u9700\u8981\u4fdd\u7559\u53d8\u91cf\u540d\u4ee5\u5907\u540e\u7eed\u64cd\u4f5c\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528del<\/code>\u5173\u952e\u5b57\u5220\u9664\u53d8\u91cf<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u4f7f\u7528del<\/code>\u5173\u952e\u5b57\u53ef\u4ee5\u5f7b\u5e95\u5220\u9664\u4e00\u4e2a\u53d8\u91cf\u3002\u8fd9\u4e0d\u4ec5\u662f\u4e3a\u4e86\u6e05\u7a7a\u5b83\u7684\u503c\uff0c\u66f4\u662f\u4e3a\u4e86\u4ece\u547d\u540d\u7a7a\u95f4\u4e2d\u79fb\u9664\u8be5\u53d8\u91cf\u7684\u5f15\u7528\u3002\u901a\u5e38\u6765\u8bf4\uff0c\u8fd9\u79cd\u65b9\u6cd5\u5728\u5185\u5b58\u7ba1\u7406\u4e0a\u8f83\u4e3a\u9ad8\u6548\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8Python\u5783\u573e\u56de\u6536\u5668\u91ca\u653e\u8be5\u53d8\u91cf\u5360\u7528\u7684\u5185\u5b58\u3002<\/p>\n<\/p>\n

a = 10<\/p>\n
del a<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u53d8\u91cfa<\/code>\uff0c\u7136\u540e\u4f7f\u7528del<\/code>\u5c06\u5176\u5220\u9664\u3002\u6267\u884cdel a<\/code>\u540e\uff0c\u5c1d\u8bd5\u8bbf\u95eea<\/code>\u4f1a\u5bfc\u81f4NameError<\/code>\uff0c\u56e0\u4e3aa<\/code>\u5728\u547d\u540d\u7a7a\u95f4\u4e2d\u5df2\u7ecf\u4e0d\u5b58\u5728\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u5c06\u53d8\u91cf\u8d4b\u503c\u4e3aNone<\/code><\/p>\n<\/p>\n
\u5c06\u53d8\u91cf\u8d4b\u503c\u4e3aNone<\/code>\u662f\u53e6\u4e00\u79cd\u6e05\u7a7a\u53d8\u91cf\u7684\u5e38\u89c1\u65b9\u6cd5\u3002\u4e0edel<\/code>\u4e0d\u540c\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4f1a\u5220\u9664\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u800c\u662f\u5c06\u5176\u6307\u5411\u4e00\u4e2a\u7a7a\u5bf9\u8c61\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u53ef\u4ee5\u4fdd\u7559\u53d8\u91cf\u540d\uff0c\u4ee5\u4fbf\u540e\u7eed\u4f7f\u7528\u3002<\/p>\n<\/p>\n
b = [1, 2, 3]<\/p>\n
b = None<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cb<\/code>\u6700\u521d\u6307\u5411\u4e00\u4e2a\u5217\u8868\u5bf9\u8c61\uff0c\u540e\u6765\u88ab\u91cd\u65b0\u8d4b\u503c\u4e3aNone<\/code>\u3002\u8fd9\u6837\uff0c\u539f\u6765\u7684\u5217\u8868\u5bf9\u8c61\u4e0d\u518d\u88ab\u5f15\u7528\uff0c\u53ef\u4ee5\u88ab\u5783\u573e\u56de\u6536\uff0c\u800cb<\/code>\u4f9d\u7136\u5b58\u5728\u4e8e\u547d\u540d\u7a7a\u95f4\u4e2d\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u901a\u8fc7\u91cd\u65b0\u8d4b\u503c\u6765\u8986\u76d6\u53d8\u91cf\u7684\u503c<\/p>\n<\/p>\n
\u91cd\u65b0\u8d4b\u503c\u662f\u6e05\u7a7a\u53d8\u91cf\u7684\u53e6\u4e00\u79cd\u7b80\u4fbf\u65b9\u6cd5\uff0c\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u5c06\u53d8\u91cf\u91cd\u7f6e\u4e3a\u67d0\u4e00\u7279\u5b9a\u521d\u59cb\u72b6\u6001\u7684\u573a\u5408\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u6d89\u53ca\u5220\u9664\u53d8\u91cf\uff0c\u800c\u662f\u7b80\u5355\u5730\u7528\u4e00\u4e2a\u65b0\u503c\u8986\u76d6\u539f\u6709\u7684\u503c\u3002<\/p>\n<\/p>\n
c = "Hello, World!"<\/p>\n
c = ""<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u5b57\u7b26\u4e32\u53d8\u91cfc<\/code>\u91cd\u65b0\u8d4b\u503c\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u6709\u6548\u5730\u6e05\u7a7a\u4e86\u5176\u5185\u5bb9\u3002\u7136\u800c\uff0cc<\/code>\u4ecd\u7136\u4fdd\u6301\u5728\u547d\u540d\u7a7a\u95f4\u4e2d\uff0c\u65b0\u7684\u7a7a\u5b57\u7b26\u4e32\u4e5f\u5c06\u6210\u4e3a\u5176\u5f53\u524d\u503c\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5728\u7279\u5b9a\u6570\u636e\u7ed3\u6784\u4e2d\u6e05\u7a7a\u53d8\u91cf<\/p>\n<\/p>\n
\u5bf9\u4e8e\u7279\u5b9a\u6570\u636e\u7ed3\u6784\uff0c\u4f8b\u5982\u5217\u8868\u3001\u5b57\u5178\u6216\u96c6\u5408\uff0cPython\u63d0\u4f9b\u4e86\u4e13\u95e8\u7684\u65b9\u6cd5\u6765\u6e05\u7a7a\u5b83\u4eec\uff0c\u800c\u4e0d\u9700\u8981\u5220\u9664\u53d8\u91cf\u6216\u6539\u53d8\u5f15\u7528\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u591a\u6b21\u4f7f\u7528\u76f8\u540c\u53d8\u91cf\u540d\u7684\u6570\u636e\u7ed3\u6784\u5c24\u4e3a\u6709\u7528\u3002<\/p>\n<\/p>\n
    \n
  1. \u6e05\u7a7a\u5217\u8868\uff1a<\/li>\n<\/ol>\n
    d = [1, 2, 3, 4, 5]<\/p>\n
    d.clear()<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4f7f\u7528clear()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u6e05\u7a7a\u5217\u8868\uff0c\u800cd<\/code>\u4ecd\u7136\u6307\u5411\u4e00\u4e2a\u7a7a\u5217\u8868\u3002\u8fd9\u6837\u505a\u7684\u4f18\u52bf\u662f\u53ef\u4ee5\u907f\u514d\u521b\u5efa\u65b0\u7684\u7a7a\u5217\u8868\u5bf9\u8c61\uff0c\u4ece\u800c\u63d0\u5347\u6027\u80fd\u3002<\/p>\n<\/p>\n
      \n
    1. \u6e05\u7a7a\u5b57\u5178\uff1a<\/li>\n<\/ol>\n
      e = {"a": 1, "b": 2}<\/p>\n
      e.clear()<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u7c7b\u4f3c\u5730\uff0cclear()<\/code>\u65b9\u6cd5\u4e5f\u9002\u7528\u4e8e\u5b57\u5178\uff0c\u53ef\u4ee5\u79fb\u9664\u6240\u6709\u952e\u503c\u5bf9\uff0c\u540c\u65f6\u4fdd\u6301e<\/code>\u4ecd\u7136\u6307\u5411\u4e00\u4e2a\u7a7a\u5b57\u5178\u3002<\/p>\n<\/p>\n
        \n
      1. \u6e05\u7a7a\u96c6\u5408\uff1a<\/li>\n<\/ol>\n
        f = {1, 2, 3}<\/p>\n
        f.clear()<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u96c6\u5408\u540c\u6837\u53ef\u4ee5\u4f7f\u7528clear()<\/code>\u65b9\u6cd5\u6765\u6e05\u7a7a\uff0cf<\/code>\u5c06\u4fdd\u6301\u4e3a\u4e00\u4e2a\u7a7a\u96c6\u5408\u3002<\/p>\n<\/p>\n
        \u4e94\u3001\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u6e05\u7406\u8d44\u6e90<\/p>\n<\/p>\n
        \u5f53\u5904\u7406\u9700\u8981\u6e05\u7406\u8d44\u6e90\u7684\u5bf9\u8c61\u65f6\uff0c\u4f8b\u5982\u6587\u4ef6\u6216\u7f51\u7edc\u8fde\u63a5\uff0c\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\u3002\u901a\u8fc7with<\/code>\u8bed\u53e5\uff0c\u53ef\u4ee5\u786e\u4fdd\u5728\u4f7f\u7528\u5b8c\u8d44\u6e90\u540e\u81ea\u52a8\u8fdb\u884c\u6e05\u7406\u3002<\/p>\n<\/p>\n
        with open('file.txt', 'r') as file:<\/p>\n
            content = file.read()<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5728\u8fd9\u91cc\uff0c\u6587\u4ef6\u5728\u8bfb\u53d6\u5b8c\u5185\u5bb9\u540e\u4f1a\u81ea\u52a8\u5173\u95ed\uff0c\u5373\u4f7f\u5728\u8bfb\u53d6\u8fc7\u7a0b\u4e2d\u53d1\u751f\u5f02\u5e38\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u76f4\u63a5\u7528\u4e8e\u6e05\u7a7a\u53d8\u91cf\uff0c\u4f46\u5b83\u5c55\u793a\u4e86Python\u4e2d\u81ea\u52a8\u8d44\u6e90\u7ba1\u7406<\/a>\u7684\u601d\u8def\u3002<\/p>\n<\/p>\n
        \u516d\u3001\u5783\u573e\u56de\u6536\u4e0e\u5185\u5b58\u7ba1\u7406<\/p>\n<\/p>\n
        Python\u7684\u5783\u573e\u56de\u6536\u673a\u5236\u5728\u53d8\u91cf\u6e05\u7a7a\u4e2d\u4e5f\u626e\u6f14\u7740\u91cd\u8981\u89d2\u8272\u3002Python\u4f7f\u7528\u5f15\u7528\u8ba1\u6570\u548c\u5faa\u73af\u5783\u573e\u56de\u6536\u7684\u7ed3\u5408\u6765\u7ba1\u7406\u5185\u5b58\uff0c\u786e\u4fdd\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\u80fd\u591f\u88ab\u53ca\u65f6\u56de\u6536\u3002<\/p>\n<\/p>\n
          \n
        1. \u5f15\u7528\u8ba1\u6570\uff1a<\/li>\n<\/ol>\n
          \u6bcf\u4e2a\u5bf9\u8c61\u90fd\u6709\u4e00\u4e2a\u5f15\u7528\u8ba1\u6570\u5668\uff0c\u5f53\u53d8\u91cf\u6307\u5411\u8be5\u5bf9\u8c61\u65f6\uff0c\u8ba1\u6570\u5668\u52a0\u4e00\uff1b\u5f53\u53d8\u91cf\u88ab\u5220\u9664\u6216\u91cd\u65b0\u8d4b\u503c\u65f6\uff0c\u8ba1\u6570\u5668\u51cf\u4e00\u3002\u5f53\u8ba1\u6570\u5668\u4e3a\u96f6\u65f6\uff0c\u8be5\u5bf9\u8c61\u4f1a\u88ab\u7acb\u5373\u56de\u6536\u3002<\/p>\n<\/p>\n
            \n
          1. \u5faa\u73af\u5783\u573e\u56de\u6536\uff1a<\/li>\n<\/ol>\n
            Python\u8fd8\u901a\u8fc7\u5faa\u73af\u5783\u573e\u56de\u6536\u6765\u5904\u7406\u5faa\u73af\u5f15\u7528\u7684\u95ee\u9898\u3002\u5373\u4f7f\u5bf9\u8c61\u4e4b\u95f4\u76f8\u4e92\u5f15\u7528\uff0c\u5783\u573e\u56de\u6536\u5668\u4e5f\u80fd\u8bc6\u522b\u5e76\u56de\u6536\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
            \u4e03\u3001\u5220\u9664\u53d8\u91cf\u7684\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n
            \u5728\u4f7f\u7528del<\/code>\u6216\u5176\u4ed6\u6e05\u7a7a\u53d8\u91cf\u7684\u65b9\u6cd5\u65f6\uff0c\u6709\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879\u9700\u8981\u7262\u8bb0\uff0c\u4ee5\u907f\u514d\u5f15\u53d1\u9519\u8bef\u6216\u4e0d\u5fc5\u8981\u7684\u590d\u6742\u6027\u3002<\/p>\n<\/p>\n
              \n
            1. \u786e\u4fdd\u53d8\u91cf\u5b58\u5728\uff1a<\/li>\n<\/ol>\n
              \u5728\u4f7f\u7528del<\/code>\u4e4b\u524d\uff0c\u5fc5\u987b\u786e\u4fdd\u53d8\u91cf\u5b58\u5728\uff0c\u5426\u5219\u4f1a\u5f15\u53d1NameError<\/code>\u3002\u53ef\u4ee5\u901a\u8fc7\u6761\u4ef6\u8bed\u53e5\u68c0\u67e5\u53d8\u91cf\u662f\u5426\u5b58\u5728\u3002<\/p>\n<\/p>\n
              if 'g' in locals():<\/p>\n
                  del g<\/p>\n
              <\/code><\/pre>\n<\/p>\n
                \n
              1. \u7406\u89e3None<\/code>\u7684\u8bed\u4e49\uff1a<\/li>\n<\/ol>\n
                \u5c06\u53d8\u91cf\u8d4b\u503c\u4e3aNone<\/code>\u5e76\u4e0d\u610f\u5473\u7740\u5220\u9664\u5b83\uff0c\u800c\u662f\u5c06\u5176\u91cd\u7f6e\u4e3a\u65e0\u6548\u72b6\u6001\u3002\u6b64\u65f6\uff0c\u53d8\u91cf\u4ecd\u7136\u53ef\u4ee5\u88ab\u5f15\u7528\u548c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
                  \n
                1. \u4e0d\u8981\u6ee5\u7528del<\/code>\uff1a<\/li>\n<\/ol>\n
                  \u867d\u7136del<\/code>\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u4f46\u4e0d\u5e94\u6ee5\u7528\uff0c\u5c24\u5176\u662f\u5728\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u4e2d\u3002\u5220\u9664\u5bf9\u8c61\u7684\u5f15\u7528\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u9519\u8bef\uff0c\u7279\u522b\u662f\u5728\u5171\u4eab\u5f15\u7528\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n<\/p>\n
                  \u516b\u3001\u53d8\u91cf\u4f5c\u7528\u57df\u4e0e\u6e05\u7a7a\u53d8\u91cf<\/p>\n<\/p>\n
                  \u7406\u89e3\u53d8\u91cf\u7684\u4f5c\u7528\u57df\u5bf9\u4e8e\u6b63\u786e\u6e05\u7a7a\u53d8\u91cf\u4e5f\u5f88\u91cd\u8981\u3002Python\u4e2d\u7684\u53d8\u91cf\u4f5c\u7528\u57df\u5206\u4e3a\u5c40\u90e8\u548c\u5168\u5c40\u4e24\u79cd\uff0c\u5904\u7406\u65f6\u9700\u7279\u522b\u6ce8\u610f\u3002<\/p>\n<\/p>\n
                    \n
                  1. \u5c40\u90e8\u53d8\u91cf\uff1a<\/li>\n<\/ol>\n
                    \u5728\u51fd\u6570\u5185\u5b9a\u4e49\u7684\u53d8\u91cf\u662f\u5c40\u90e8\u53d8\u91cf\uff0c\u5176\u4f5c\u7528\u57df\u4ec5\u9650\u4e8e\u51fd\u6570\u5185\u90e8\u3002\u4f7f\u7528del<\/code>\u6216\u91cd\u65b0\u8d4b\u503c\u5bf9\u5c40\u90e8\u53d8\u91cf\u7684\u64cd\u4f5c\u53ea\u5f71\u54cd\u5f53\u524d\u51fd\u6570\uff0c\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u4f5c\u7528\u57df\u3002<\/p>\n<\/p>\n
                    def my_function():<\/p>\n
                        h = 10<\/p>\n
                        del h<\/p>\n
                    <\/code><\/pre>\n<\/p>\n
                      \n
                    1. \u5168\u5c40\u53d8\u91cf\uff1a<\/li>\n<\/ol>\n
                      \u5168\u5c40\u53d8\u91cf\u5b9a\u4e49\u5728\u51fd\u6570\u6216\u7c7b\u4e4b\u5916\uff0c\u5177\u6709\u6574\u4e2a\u6a21\u5757\u7684\u4f5c\u7528\u57df\u3002\u5728\u51fd\u6570\u5185\u4fee\u6539\u5168\u5c40\u53d8\u91cf\u9700\u8981\u4f7f\u7528global<\/code>\u5173\u952e\u5b57\u3002<\/p>\n<\/p>\n
                      i = 20<\/p>\n
                      def modify_global():<\/p>\n
                          global i<\/p>\n
                          i = None<\/p>\n
                      <\/code><\/pre>\n<\/p>\n
                      \u901a\u8fc7global<\/code>\u5173\u952e\u5b57\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u51fd\u6570\u5185\u4fee\u6539\u5168\u5c40\u53d8\u91cfi<\/code>\uff0c\u5c06\u5176\u91cd\u7f6e\u4e3aNone<\/code>\u3002<\/p>\n<\/p>\n
                      \u4e5d\u3001\u603b\u7ed3<\/p>\n<\/p>\n
                      \u6e05\u7a7a\u53d8\u91cf\u5728Python\u7f16\u7a0b\u4e2d\u662f\u4e00\u4e2a\u5e38\u89c1\u64cd\u4f5c\uff0c\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u6709\u6548\u5730\u7ba1\u7406\u5185\u5b58\u548c\u7a0b\u5e8f\u903b\u8f91\u3002\u65e0\u8bba\u662f\u901a\u8fc7del<\/code>\u5220\u9664\u53d8\u91cf\u3001\u5c06\u53d8\u91cf\u8d4b\u503c\u4e3aNone<\/code>\uff0c\u8fd8\u662f\u4f7f\u7528\u6570\u636e\u7ed3\u6784\u7684\u65b9\u6cd5\u6e05\u7a7a\u5185\u5bb9\uff0c\u90fd\u6709\u5176\u7279\u5b9a\u7684\u5e94\u7528\u573a\u666f\u548c\u4f18\u70b9\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u9002\u5408\u7684\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6027\u80fd\uff0c\u8fd8\u80fd\u6709\u6548\u907f\u514d\u6f5c\u5728\u7684\u9519\u8bef\u3002\u7406\u89e3Python\u7684\u5185\u5b58\u7ba1\u7406\u673a\u5236\u548c\u53d8\u91cf\u4f5c\u7528\u57df\uff0c\u5bf9\u4e8e\u7f16\u5199\u5065\u58ee\u7684\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528\u8fd9\u4e9b\u6280\u672f\uff0c\u5f00\u53d1\u8005\u80fd\u591f\u66f4\u52a0\u7075\u6d3b\u5730\u63a7\u5236\u7a0b\u5e8f\u7684\u8d44\u6e90\u4f7f\u7528\uff0c\u5e76\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u548c\u6548\u7387\u3002<\/p>\n<\/p>\n
                      \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                       \u5982\u4f55\u5728Python\u4e2d\u6709\u6548\u5730\u6e05\u7a7a\u4e00\u4e2a\u53d8\u91cf\uff1f<\/strong>
                      \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06\u53d8\u91cf\u8d4b\u503c\u4e3aNone<\/code>\u6216\u4e00\u4e2a\u7a7a\u503c\uff08\u5982\u7a7a\u5b57\u7b26\u4e32\u3001\u7a7a\u5217\u8868\u7b49\uff09\u6765\u6e05\u7a7a\u5b83\u3002\u4f8b\u5982\uff0cmy_variable = None<\/code>\u4f1a\u5c06my_variable<\/code>\u7684\u503c\u6e05\u7a7a\u3002\u5982\u679c\u662f\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528my_list.clear()<\/code>\u65b9\u6cd5\u6765\u6e05\u7a7a\u5176\u5185\u5bb9\u3002<\/p>\n
                      \u6e05\u7a7a\u53d8\u91cf\u540e\u4f1a\u5bf9\u7a0b\u5e8f\u7684\u5185\u5b58\u4f7f\u7528\u4ea7\u751f\u4ec0\u4e48\u5f71\u54cd\uff1f<\/strong>
                      \u6e05\u7a7a\u53d8\u91cf\u901a\u5e38\u4f1a\u91ca\u653e\u8be5\u53d8\u91cf\u6240\u5360\u7528\u7684\u5185\u5b58\u8d44\u6e90\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u65f6\u3002\u4f7f\u7528del<\/code>\u8bed\u53e5\u5220\u9664\u53d8\u91cf\u4f1a\u5b8c\u5168\u79fb\u9664\u8be5\u53d8\u91cf\uff0c\u786e\u4fdd\u76f8\u5173\u5185\u5b58\u88ab\u91ca\u653e\u3002\u4e0d\u8fc7\uff0cPython\u5177\u6709\u81ea\u52a8\u5783\u573e\u56de\u6536\u673a\u5236\uff0c\u901a\u5e38\u4f1a\u5728\u6ca1\u6709\u5f15\u7528\u65f6\u81ea\u52a8\u56de\u6536\u5185\u5b58\u3002<\/p>\n
                      \u5728\u6e05\u7a7a\u53d8\u91cf\u65f6\uff0c\u6709\u4ec0\u4e48\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879\u5417\uff1f<\/strong>
                      \u6e05\u7a7a\u53d8\u91cf\u65f6\u9700\u8981\u8c28\u614e\uff0c\u5c24\u5176\u662f\u5982\u679c\u8be5\u53d8\u91cf\u5728\u540e\u7eed\u4ee3\u7801\u4e2d\u4ecd\u88ab\u4f7f\u7528\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4NameError<\/code>\u6216\u5176\u4ed6\u5f02\u5e38\u3002\u786e\u4fdd\u5728\u6e05\u7a7a\u53d8\u91cf\u4e4b\u524d\uff0c\u7a0b\u5e8f\u4e0d\u518d\u9700\u8981\u5176\u539f\u6709\u503c\u3002\u6b64\u5916\uff0c\u4e86\u89e3\u53d8\u91cf\u7684\u4f5c\u7528\u57df\u4e5f\u5f88\u91cd\u8981\uff0c\u786e\u4fdd\u6e05\u7a7a\u64cd\u4f5c\u4e0d\u4f1a\u5f71\u54cd\u5230\u5176\u4ed6\u5730\u65b9\u4f7f\u7528\u7684\u540c\u540d\u53d8\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u6e05\u7a7a\u53d8\u91cf\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528del\u5173\u952e\u5b57\u5220\u9664\u53d8\u91cf\u3001\u5c06\u53d8\u91cf\u8d4b\u503c\u4e3aNone\u3001\u901a\u8fc7\u91cd\u65b0\u8d4b\u503c\u6765\u8986\u76d6\u53d8\u91cf\u7684 […]","protected":false},"author":3,"featured_media":951164,"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\/951163"}],"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=951163"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/951163\/revisions"}],"predecessor-version":[{"id":951165,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/951163\/revisions\/951165"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/951164"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=951163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=951163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=951163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}