{"id":924572,"date":"2024-12-26T15:15:30","date_gmt":"2024-12-26T07:15:30","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/924572.html"},"modified":"2024-12-26T15:15:32","modified_gmt":"2024-12-26T07:15:32","slug":"python%e5%a6%82%e4%bd%95%e5%8d%a0%e4%bd%8d","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/924572.html","title":{"rendered":"python\u5982\u4f55\u5360\u4f4d"},"content":{"rendered":"

\"python\u5982\u4f55\u5360\u4f4d\"<\/p>\n

\u5728Python\u4e2d\uff0c\u5e38\u89c1\u7684\u5360\u4f4d\u7b26\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001\u6a21\u677f\u5b57\u7b26\u4e32\u548c\u5360\u4f4d\u7b26\u5bf9\u8c61\u7b49\u3002\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u6709\u4e09\u79cd\u4e3b\u8981\u65b9\u5f0f\uff1a\u767e\u5206\u53f7\u683c\u5f0f\u5316\u3001str.format()\u65b9\u6cd5\u548cf\u5b57\u7b26\u4e32\u3002<\/strong>\u5176\u4e2d\uff0cf\u5b57\u7b26\u4e32\u662fPython 3.6\u53ca\u4ee5\u4e0a\u7248\u672c\u63a8\u8350\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u7b80\u5355\u76f4\u89c2\u3001\u6613\u4e8e\u9605\u8bfb\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecdf\u5b57\u7b26\u4e32\u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

f\u5b57\u7b26\u4e32\uff0c\u4e5f\u79f0\u4e3a\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\uff0c\u662f\u5728Python 3.6\u4e2d\u5f15\u5165\u7684\u4e00\u79cd\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u3002\u5b83\u5141\u8bb8\u5728\u5b57\u7b26\u4e32\u4e2d\u5d4c\u5165\u8868\u8fbe\u5f0f\uff0c\u5e76\u5728\u8fd0\u884c\u65f6\u5bf9\u5176\u8fdb\u884c\u6c42\u503c\u3002\u8981\u4f7f\u7528f\u5b57\u7b26\u4e32\uff0c\u53ea\u9700\u5728\u5b57\u7b26\u4e32\u7684\u5f00\u5934\u52a0\u4e0a\u5b57\u6bcdf<\/code>\u6216F<\/code>\uff0c\u7136\u540e\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u82b1\u62ec\u53f7{}<\/code>\u62ec\u8d77\u6765\u7684\u8868\u8fbe\u5f0f\u3002f\u5b57\u7b26\u4e32\u63d0\u4f9b\u4e86\u4e00\u79cd\u76f4\u89c2\u7684\u65b9\u5f0f\u6765\u6784\u5efa\u5b57\u7b26\u4e32\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u63d2\u5165\u53d8\u91cf\u503c\u6216\u8ba1\u7b97\u7ed3\u679c\u7684\u65f6\u5019\u3002<\/p>\n<\/p>\n

\n

\u4e00\u3001\u767e\u5206\u53f7\u683c\u5f0f\u5316<\/p>\n<\/p>\n

\u767e\u5206\u53f7\u683c\u5f0f\u5316\u662fPython\u4e2d\u8f83\u65e9\u7684\u4e00\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u5f0f\uff0c\u5b83\u7c7b\u4f3c\u4e8eC\u8bed\u8a00\u4e2d\u7684printf\u51fd\u6570\u3002\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u5728Python 3\u4e2d\u4ecd\u7136\u652f\u6301\uff0c\u4f46\u4e0d\u5982\u5176\u4ed6\u65b9\u6cd5\u76f4\u89c2\u3002<\/p>\n<\/p>\n

    \n
  1. \u57fa\u672c\u7528\u6cd5<\/strong><\/li>\n<\/ol>\n

    \u767e\u5206\u53f7\u683c\u5f0f\u5316\u4f7f\u7528%<\/code>\u7b26\u53f7\u4f5c\u4e3a\u5360\u4f4d\u7b26\uff0c\u5e76\u5728\u5b57\u7b26\u4e32\u540e\u9762\u63d0\u4f9b\u4e00\u4e2a\u503c\u6216\u5143\u7ec4\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

    name = "Alice"<\/p>\n
    age = 30<\/p>\n
    formatted_string = "Name: %s, Age: %d" % (name, age)<\/p>\n
    print(formatted_string)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c%s<\/code>\u8868\u793a\u4e00\u4e2a\u5b57\u7b26\u4e32\u5360\u4f4d\u7b26\uff0c%d<\/code>\u8868\u793a\u4e00\u4e2a\u6574\u6570\u5360\u4f4d\u7b26\u3002\u4e24\u4e2a\u5360\u4f4d\u7b26\u4f9d\u6b21\u88ab(name, age)<\/code>\u4e2d\u7684\u503c\u66ff\u6362\u3002<\/p>\n<\/p>\n
      \n
    1. \u683c\u5f0f\u5316\u9009\u9879<\/strong><\/li>\n<\/ol>\n
      \u767e\u5206\u53f7\u683c\u5f0f\u5316\u8fd8\u652f\u6301\u683c\u5f0f\u5316\u9009\u9879\uff0c\u53ef\u4ee5\u6307\u5b9a\u5bbd\u5ea6\u3001\u7cbe\u5ea6\u7b49\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      value = 123.456<\/p>\n
      formatted_string = "Value: %.2f" % value<\/p>\n
      print(formatted_string)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c%.2f<\/code>\u8868\u793a\u4e00\u4e2a\u6d6e\u70b9\u6570\u5360\u4f4d\u7b26\uff0c\u5e76\u6307\u5b9a\u663e\u793a\u4e24\u4f4d\u5c0f\u6570\u3002<\/p>\n<\/p>\n
      \u4e8c\u3001str.format()\u65b9\u6cd5<\/p>\n<\/p>\n
      str.format()\u65b9\u6cd5\u662fPython 2.7\u53ca3.0\u5f15\u5165\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u76f8\u8f83\u4e8e\u767e\u5206\u53f7\u683c\u5f0f\u5316\uff0c\u5b83\u66f4\u4e3a\u5f3a\u5927\u548c\u7075\u6d3b\u3002<\/p>\n<\/p>\n
        \n
      1. \u57fa\u672c\u7528\u6cd5<\/strong><\/li>\n<\/ol>\n
        str.format()\u65b9\u6cd5\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u82b1\u62ec\u53f7{}<\/code>\u4f5c\u4e3a\u5360\u4f4d\u7b26\uff0c\u7136\u540e\u8c03\u7528\u8be5\u5b57\u7b26\u4e32\u7684format()<\/code>\u65b9\u6cd5\uff0c\u5c06\u503c\u4f20\u5165\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
        name = "Bob"<\/p>\n
        age = 25<\/p>\n
        formatted_string = "Name: {}, Age: {}".format(name, age)<\/p>\n
        print(formatted_string)<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c{}<\/code>\u5360\u4f4d\u7b26\u88abformat()<\/code>\u65b9\u6cd5\u4e2d\u7684\u53c2\u6570\u66ff\u6362\u3002<\/p>\n<\/p>\n
          \n
        1. \u547d\u540d\u5360\u4f4d\u7b26<\/strong><\/li>\n<\/ol>\n
          str.format()\u65b9\u6cd5\u652f\u6301\u547d\u540d\u5360\u4f4d\u7b26\uff0c\u8fd9\u4f7f\u5f97\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\uff1a<\/p>\n<\/p>\n
          formatted_string = "Name: {name}, Age: {age}".format(name="Charlie", age=28)<\/p>\n
          print(formatted_string)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
            \n
          1. \u683c\u5f0f\u5316\u9009\u9879<\/strong><\/li>\n<\/ol>\n
            str.format()\u65b9\u6cd5\u4e5f\u652f\u6301\u683c\u5f0f\u5316\u9009\u9879\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728\u82b1\u62ec\u53f7\u5185\u6dfb\u52a0\u683c\u5f0f\u8bf4\u660e\u7b26\u6765\u6307\u5b9a\u683c\u5f0f\uff1a<\/p>\n<\/p>\n
            value = 123.456<\/p>\n
            formatted_string = "Value: {:.2f}".format(value)<\/p>\n
            print(formatted_string)<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u4e09\u3001f\u5b57\u7b26\u4e32\uff08\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\uff09<\/p>\n<\/p>\n
            f\u5b57\u7b26\u4e32\u662fPython 3.6\u5f15\u5165\u7684\u4e00\u79cd\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\uff0c\u4ee5\u5176\u7b80\u6d01\u548c\u76f4\u89c2\u8457\u79f0\u3002<\/p>\n<\/p>\n
              \n
            1. \u57fa\u672c\u7528\u6cd5<\/strong><\/li>\n<\/ol>\n
              f\u5b57\u7b26\u4e32\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u524d\u52a0\u4e0a\u5b57\u6bcdf<\/code>\u6216F<\/code>\uff0c\u7136\u540e\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u82b1\u62ec\u53f7{}<\/code>\u62ec\u8d77\u6765\u7684\u8868\u8fbe\u5f0f\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
              name = "David"<\/p>\n
              age = 35<\/p>\n
              formatted_string = f"Name: {name}, Age: {age}"<\/p>\n
              print(formatted_string)<\/p>\n
              <\/code><\/pre>\n<\/p>\n
                \n
              1. \u8868\u8fbe\u5f0f\u6c42\u503c<\/strong><\/li>\n<\/ol>\n
                f\u5b57\u7b26\u4e32\u4e2d\u53ef\u4ee5\u5305\u542b\u4efb\u610f\u7684Python\u8868\u8fbe\u5f0f\uff0c\u8fd9\u4e9b\u8868\u8fbe\u5f0f\u5c06\u5728\u8fd0\u884c\u65f6\u88ab\u6c42\u503c\uff1a<\/p>\n<\/p>\n
                x = 10<\/p>\n
                y = 20<\/p>\n
                formatted_string = f"Sum: {x + y}"<\/p>\n
                print(formatted_string)<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                  \n
                1. \u683c\u5f0f\u5316\u9009\u9879<\/strong><\/li>\n<\/ol>\n
                  f\u5b57\u7b26\u4e32\u4e5f\u652f\u6301\u683c\u5f0f\u5316\u9009\u9879\uff0c\u8bed\u6cd5\u4e0estr.format()\u65b9\u6cd5\u76f8\u540c\uff1a<\/p>\n<\/p>\n
                  value = 123.456<\/p>\n
                  formatted_string = f"Value: {value:.2f}"<\/p>\n
                  print(formatted_string)<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                  \u56db\u3001\u6a21\u677f\u5b57\u7b26\u4e32<\/p>\n<\/p>\n
                  \u6a21\u677f\u5b57\u7b26\u4e32\u662fPython\u6807\u51c6\u5e93\u4e2d\u7684string<\/code>\u6a21\u5757\u63d0\u4f9b\u7684\u4e00\u79cd\u7b80\u5355\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5b89\u5168\u66ff\u6362\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
                    \n
                  1. \u57fa\u672c\u7528\u6cd5<\/strong><\/li>\n<\/ol>\n
                    \u4f7f\u7528\u6a21\u677f\u5b57\u7b26\u4e32\uff0c\u9700\u8981\u5148\u5bfc\u5165Template<\/code>\u7c7b\uff0c\u7136\u540e\u521b\u5efa\u6a21\u677f\u5e76\u4f7f\u7528substitute()<\/code>\u65b9\u6cd5\u8fdb\u884c\u66ff\u6362\uff1a<\/p>\n<\/p>\n
                    from string import Template<\/p>\n
                    template = Template("Name: $name, Age: $age")<\/p>\n
                    formatted_string = template.substitute(name="Eve", age=40)<\/p>\n
                    print(formatted_string)<\/p>\n
                    <\/code><\/pre>\n<\/p>\n
                      \n
                    1. \u5b89\u5168\u66ff\u6362<\/strong><\/li>\n<\/ol>\n
                      \u6a21\u677f\u5b57\u7b26\u4e32\u63d0\u4f9b\u4e86SAFe<\/a>_substitute()<\/code>\u65b9\u6cd5\uff0c\u5728\u66ff\u6362\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u629b\u51fa\u5f02\u5e38\uff1a<\/p>\n<\/p>\n
                      template = Template("Name: $name, Age: $age")<\/p>\n
                      formatted_string = template.safe_substitute(name="Frank")<\/p>\n
                      print(formatted_string)<\/p>\n
                      <\/code><\/pre>\n<\/p>\n
                      \u4e94\u3001\u5360\u4f4d\u7b26\u5bf9\u8c61<\/p>\n<\/p>\n
                      \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u5360\u4f4d\u7b26\u5bf9\u8c61\u6765\u52a8\u6001\u6784\u5efa\u5b57\u7b26\u4e32\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7c7b\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
                        \n
                      1. \u81ea\u5b9a\u4e49\u5360\u4f4d\u7b26\u7c7b<\/strong><\/li>\n<\/ol>\n
                        \u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff0c\u5176\u5b9e\u4f8b\u53ef\u4ee5\u7528\u4f5c\u5360\u4f4d\u7b26\u5bf9\u8c61\uff1a<\/p>\n<\/p>\n
                        class Placeholder:<\/p>\n
                            def __init__(self, value):<\/p>\n
                                self.value = value<\/p>\n
                            def __str__(self):<\/p>\n
                                return str(self.value)<\/p>\n
                        placeholder = Placeholder("Gina")<\/p>\n
                        formatted_string = f"Name: {placeholder}"<\/p>\n
                        print(formatted_string)<\/p>\n
                        <\/code><\/pre>\n<\/p>\n
                          \n
                        1. \u52a8\u6001\u6784\u5efa\u5b57\u7b26\u4e32<\/strong><\/li>\n<\/ol>\n
                          \u901a\u8fc7\u4f7f\u7528\u5360\u4f4d\u7b26\u5bf9\u8c61\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u52a8\u6001\u5b57\u7b26\u4e32\u6784\u5efa\u903b\u8f91\uff1a<\/p>\n<\/p>\n
                          class DynamicPlaceholder:<\/p>\n
                              def __init__(self, func):<\/p>\n
                                  self.func = func<\/p>\n
                              def __str__(self):<\/p>\n
                                  return str(self.func())<\/p>\n
                          def get_dynamic_value():<\/p>\n
                              return "DynamicValue"<\/p>\n
                          placeholder = DynamicPlaceholder(get_dynamic_value)<\/p>\n
                          formatted_string = f"Value: {placeholder}"<\/p>\n
                          print(formatted_string)<\/p>\n
                          <\/code><\/pre>\n<\/p>\n
                          \u603b\u7ed3\u6765\u8bf4\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u5360\u4f4d\u7b26\u65b9\u6cd5\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u7684\u573a\u666f\u548c\u4f18\u7f3a\u70b9\u3002\u5728\u73b0\u4ee3Python\u4ee3\u7801\u4e2d\uff0c\u63a8\u8350\u4f7f\u7528f\u5b57\u7b26\u4e32\uff0c\u56e0\u4e3a\u5b83\u7b80\u6d01\u3001\u76f4\u89c2\uff0c\u5e76\u4e14\u652f\u6301\u590d\u6742\u7684\u8868\u8fbe\u5f0f\u6c42\u503c\u548c\u683c\u5f0f\u5316\u9009\u9879\u3002\u5bf9\u4e8e\u9700\u8981\u5b89\u5168\u66ff\u6362\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u6a21\u677f\u5b57\u7b26\u4e32\u3002\u901a\u8fc7\u5408\u7406\u9009\u62e9\u5360\u4f4d\u7b26\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
                          \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                           \u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u5360\u4f4d\u7b26\u6765\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff1f<\/strong>
                          \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5360\u4f4d\u7b26\u6765\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff08f-strings\uff09\u3001str.format()<\/code>\u65b9\u6cd5\u4ee5\u53ca\u767e\u5206\u53f7\uff08%\uff09\u683c\u5f0f\u5316\u3002f-strings\u662fPython 3.6\u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u5f15\u5165\u7684\uff0c\u8bed\u6cd5\u7b80\u5355\u800c\u76f4\u89c2\uff0c\u4f8b\u5982\uff1aname = "Alice"; greeting = f"Hello, {name}!"<\/code>\u3002str.format()<\/code>\u65b9\u6cd5\u5219\u5141\u8bb8\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u5927\u62ec\u53f7{}<\/code>\u4f5c\u4e3a\u5360\u4f4d\u7b26\uff0c\u5e76\u901a\u8fc7format()<\/code>\u65b9\u6cd5\u4f20\u5165\u53d8\u91cf\u3002\u4f8b\u5982\uff1a"Hello, {}".format(name)<\/code>\u3002\u767e\u5206\u53f7\u683c\u5f0f\u5316\u5219\u662f\u8f83\u65e9\u7684\u65b9\u5f0f\uff0c\u4f7f\u7528%<\/code>\u7b26\u53f7\uff0c\u4f8b\u5982\uff1a"Hello, %s" % name<\/code>\u3002<\/p>\n
                          Python\u4e2d\u5982\u4f55\u4f7f\u7528\u5360\u4f4d\u7b26\u8fdb\u884c\u5217\u8868\u548c\u5b57\u5178\u7684\u683c\u5f0f\u5316\uff1f<\/strong>
                          \u5728\u5904\u7406\u5217\u8868\u548c\u5b57\u5178\u65f6\uff0cPython\u7684\u683c\u5f0f\u5316\u529f\u80fd\u4f9d\u7136\u9002\u7528\u3002\u5bf9\u4e8e\u5217\u8868\uff0c\u53ef\u4ee5\u901a\u8fc7str.format()<\/code>\u548cf-strings\u8f7b\u677e\u63d2\u5165\u5143\u7d20\uff0c\u4f8b\u5982\uff1amy_list = [1, 2, 3]; formatted = "The first element is {}".format(my_list[0])<\/code>\u6216\u4f7f\u7528f-string\uff1aformatted = f"The first element is {my_list[0]}"<\/code>\u3002\u5bf9\u4e8e\u5b57\u5178\uff0c\u4f7f\u7528\u5927\u62ec\u53f7\u4e2d\u6307\u5b9a\u952e\u540d\u7684\u65b9\u5f0f\u53ef\u4ee5\u76f4\u63a5\u63d0\u53d6\u503c\uff0c\u4f8b\u5982\uff1amy_dict = {'name': 'Alice'}; formatted = "Hello, {name}".format(**my_dict)<\/code>\u6216\u4f7f\u7528f-string\uff1aformatted = f"Hello, {my_dict['name']}"<\/code>\u3002<\/p>\n
                          \u5728Python\u4e2d\u5982\u4f55\u4f7f\u7528\u5360\u4f4d\u7b26\u5904\u7406\u5f02\u5e38\u60c5\u51b5\uff1f<\/strong>
                          \u5728\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u53d8\u91cf\u4e0d\u5b58\u5728\u6216\u8005\u7c7b\u578b\u4e0d\u5339\u914d\u7684\u60c5\u51b5\uff0c\u5bfc\u81f4\u683c\u5f0f\u5316\u5931\u8d25\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528try-except<\/code>\u8bed\u53e5\u6765\u6355\u6349\u5f02\u5e38\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728\u63d2\u5165\u53d8\u91cf\u4e4b\u524d\u8fdb\u884c\u68c0\u67e5\uff0c\u786e\u4fdd\u53d8\u91cf\u7684\u5b58\u5728\u6027\u548c\u6709\u6548\u6027\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u63d0\u4f9b\u9ed8\u8ba4\u503c\u4e5f\u53ef\u4ee5\u4fdd\u8bc1\u683c\u5f0f\u5316\u7684\u5b89\u5168\u6027\uff0c\u4f8b\u5982\uff1aname = None; greeting = f"Hello, {name or 'Guest'}!"<\/code>\uff0c\u8fd9\u6837\u5373\u4f7fname<\/code>\u4e3a\u7a7a\uff0c\u7a0b\u5e8f\u4e5f\u80fd\u6b63\u5e38\u8fd0\u884c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u66ff\u4ee3\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u5e38\u89c1\u7684\u5360\u4f4d\u7b26\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001\u6a21\u677f\u5b57\u7b26\u4e32\u548c\u5360\u4f4d\u7b26\u5bf9\u8c61\u7b49\u3002\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u6709\u4e09\u79cd\u4e3b\u8981 […]","protected":false},"author":3,"featured_media":924576,"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\/924572"}],"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=924572"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/924572\/revisions"}],"predecessor-version":[{"id":924579,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/924572\/revisions\/924579"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/924576"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=924572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=924572"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=924572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}