{"id":976846,"date":"2024-12-27T06:24:48","date_gmt":"2024-12-26T22:24:48","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/976846.html"},"modified":"2024-12-27T06:24:51","modified_gmt":"2024-12-26T22:24:51","slug":"python%e5%a6%82%e4%bd%95%e8%ae%be%e7%bd%aemap%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/976846.html","title":{"rendered":"python\u5982\u4f55\u8bbe\u7f6emap\u51fd\u6570"},"content":{"rendered":"

\"python\u5982\u4f55\u8bbe\u7f6emap\u51fd\u6570\"<\/p>\n

\u5728Python\u4e2d\uff0c\u8bbe\u7f6emap<\/code>\u51fd\u6570\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528map<\/code>\u51fd\u6570\u5c06\u4e00\u4e2a\u51fd\u6570\u5e94\u7528\u4e8e\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3001\u8fd4\u56de\u4e00\u4e2a\u8fed\u4ee3\u5668\u3001\u7ed3\u5408list<\/code>\u51fd\u6570\u5c06\u7ed3\u679c\u8f6c\u6362\u4e3a\u5217\u8868\u3002map<\/code>\u51fd\u6570\u7684\u57fa\u672c\u7528\u6cd5\u662fmap(function, iterable, ...)<\/code>\uff0c\u5b83\u5c06function<\/code>\u5e94\u7528\u5230iterable<\/code>\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u4e0a\u3002\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u533f\u540d\u51fd\u6570\uff08lambda<\/code>\uff09\u6216\u8005\u5b9a\u4e49\u7684\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u3002<\/strong>\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecdmap<\/code>\u51fd\u6570\u7684\u5404\u4e2a\u65b9\u9762\uff0c\u4ee5\u53ca\u5982\u4f55\u5728Python\u4e2d\u6709\u6548\u5730\u4f7f\u7528\u5b83\u3002<\/p>\n<\/p>\n

\u4e00\u3001MAP\u51fd\u6570\u7684\u57fa\u672c\u7528\u6cd5<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0cmap<\/code>\u51fd\u6570\u662f\u4e00\u4e2a\u5185\u7f6e\u51fd\u6570\uff0c\u7528\u4e8e\u5c06\u4e00\u4e2a\u6307\u5b9a\u7684\u51fd\u6570\u5e94\u7528\u5230\u4e00\u4e2a\u6216\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\u7b49\uff09\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u4e0a\u3002map<\/code>\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u8fed\u4ee3\u5668\uff0c\u8fd9\u610f\u5473\u7740\u53ef\u4ee5\u4f7f\u7528for<\/code>\u5faa\u73af\u6216\u5c06\u5176\u8f6c\u6362\u4e3a\u5176\u4ed6\u6570\u636e\u7c7b\u578b\uff08\u5982\u5217\u8868\uff09\u6765\u8bbf\u95ee\u7ed3\u679c\u3002<\/p>\n<\/p>\n

    \n
  1. \u5355\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61<\/strong><\/li>\n<\/ol>\n

    \u5f53\u5bf9\u4e00\u4e2a\u5355\u72ec\u7684\u53ef\u8fed\u4ee3\u5bf9\u8c61\u5e94\u7528map<\/code>\u51fd\u6570\u65f6\uff0c\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u51fd\u6570\u548c\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3002\u8fd9\u4e2a\u51fd\u6570\u5c06\u5e94\u7528\u4e8e\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n

    # \u4f7f\u7528map\u51fd\u6570\u5c06\u6bcf\u4e2a\u6570\u5b57\u5e73\u65b9<\/p>\n
    numbers = [1, 2, 3, 4, 5]<\/p>\n
    squared_numbers = map(lambda x: x  2, numbers)<\/p>\n
    print(list(squared_numbers))  # \u8f93\u51fa: [1, 4, 9, 16, 25]<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0clambda x: x  2<\/code>\u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u7528\u4e8e\u5c06\u8f93\u5165\u7684\u6bcf\u4e2a\u6570\u5b57\u5e73\u65b9\u3002<\/p>\n<\/p>\n
      \n
    1. \u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61<\/strong><\/li>\n<\/ol>\n
      map<\/code>\u51fd\u6570\u4e5f\u53ef\u4ee5\u5e94\u7528\u4e8e\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3002\u6b64\u65f6\uff0c\u4f20\u9012\u7ed9map<\/code>\u7684\u51fd\u6570\u9700\u8981\u80fd\u591f\u63a5\u53d7\u591a\u4e2a\u53c2\u6570\uff0c\u6bcf\u4e2a\u53c2\u6570\u5bf9\u5e94\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
      # \u4f7f\u7528map\u51fd\u6570\u5c06\u4e24\u4e2a\u5217\u8868\u5143\u7d20\u76f8\u52a0<\/p>\n
      numbers1 = [1, 2, 3]<\/p>\n
      numbers2 = [4, 5, 6]<\/p>\n
      summed_numbers = map(lambda x, y: x + y, numbers1, numbers2)<\/p>\n
      print(list(summed_numbers))  # \u8f93\u51fa: [5, 7, 9]<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0clambda x, y: x + y<\/code>\u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u7528\u4e8e\u5c06\u8f93\u5165\u7684\u6bcf\u5bf9\u6570\u5b57\u76f8\u52a0\u3002<\/p>\n<\/p>\n
      \u4e8c\u3001MAP\u51fd\u6570\u7684\u5e94\u7528\u573a\u666f<\/p>\n<\/p>\n
      map<\/code>\u51fd\u6570\u5728\u6570\u636e\u5904\u7406\u548c\u8f6c\u6362\u4e2d\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u5bf9\u4e00\u7ec4\u6570\u636e\u8fdb\u884c\u7edf\u4e00\u5904\u7406\u65f6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f7f\u7528\u573a\u666f\uff1a<\/p>\n<\/p>\n
        \n
      1. \u6570\u636e\u8f6c\u6362<\/strong><\/li>\n<\/ol>\n
        map<\/code>\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u5c06\u4e00\u7ec4\u6570\u636e\u4ece\u4e00\u79cd\u683c\u5f0f\u8f6c\u6362\u4e3a\u53e6\u4e00\u79cd\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u6216\u5c06\u6e29\u5ea6\u4ece\u6444\u6c0f\u5ea6\u8f6c\u6362\u4e3a\u534e\u6c0f\u5ea6\u3002<\/p>\n<\/p>\n
        # \u5c06\u5b57\u7b26\u4e32\u5217\u8868\u8f6c\u6362\u4e3a\u6574\u6570\u5217\u8868<\/p>\n
        str_numbers = ['1', '2', '3']<\/p>\n
        int_numbers = map(int, str_numbers)<\/p>\n
        print(list(int_numbers))  # \u8f93\u51fa: [1, 2, 3]<\/p>\n
        <\/code><\/pre>\n<\/p>\n
          \n
        1. \u6279\u91cf\u64cd\u4f5c<\/strong><\/li>\n<\/ol>\n
          \u5982\u679c\u9700\u8981\u5bf9\u4e00\u7ec4\u6570\u636e\u8fdb\u884c\u76f8\u540c\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528map<\/code>\u51fd\u6570\u6765\u7b80\u5316\u4ee3\u7801\u3002\u4f8b\u5982\uff0c\u6279\u91cf\u8ba1\u7b97\u4e00\u7ec4\u70b9\u7684\u5e73\u65b9\u548c\u3002<\/p>\n<\/p>\n
          # \u8ba1\u7b97\u6bcf\u4e2a\u70b9\u7684\u5e73\u65b9\u548c<\/p>\n
          points = [(1, 2), (3, 4), (5, 6)]<\/p>\n
          squared_sums = map(lambda p: p[0] <strong> 2 + p[1] <\/strong> 2, points)<\/p>\n
          print(list(squared_sums))  # \u8f93\u51fa: [5, 25, 61]<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u4e09\u3001MAP\u51fd\u6570\u4e0e\u5176\u4ed6\u51fd\u6570\u7ed3\u5408\u4f7f\u7528<\/p>\n<\/p>\n
          \u5728Python\u4e2d\uff0cmap<\/code>\u51fd\u6570\u53ef\u4ee5\u4e0e\u5176\u4ed6\u5185\u7f6e\u51fd\u6570\uff08\u5982filter<\/code>\u3001reduce<\/code>\u7b49\uff09\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u4efb\u52a1\u3002<\/p>\n<\/p>\n
            \n
          1. \u4e0efilter\u7ed3\u5408\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n
            \u53ef\u4ee5\u4f7f\u7528filter<\/code>\u51fd\u6570\u4ecemap<\/code>\u51fd\u6570\u7684\u7ed3\u679c\u4e2d\u8fc7\u6ee4\u6389\u4e0d\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
            # \u8ba1\u7b97\u5e73\u65b9\u540e\u8fc7\u6ee4\u6389\u4e0d\u5927\u4e8e10\u7684\u6570<\/p>\n
            numbers = [1, 2, 3, 4, 5]<\/p>\n
            squared_numbers = map(lambda x: x  2, numbers)<\/p>\n
            filtered_numbers = filter(lambda x: x > 10, squared_numbers)<\/p>\n
            print(list(filtered_numbers))  # \u8f93\u51fa: [16, 25]<\/p>\n
            <\/code><\/pre>\n<\/p>\n
              \n
            1. \u4e0ereduce\u7ed3\u5408\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n
              \u53ef\u4ee5\u4f7f\u7528reduce<\/code>\u51fd\u6570\u5bf9map<\/code>\u51fd\u6570\u7684\u7ed3\u679c\u8fdb\u884c\u5f52\u7ea6\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
              from functools import reduce<\/p>\n
              \u8ba1\u7b97\u5e73\u65b9\u548c<\/strong><\/h2>\n
              numbers = [1, 2, 3, 4, 5]<\/p>\n
              squared_numbers = map(lambda x: x  2, numbers)<\/p>\n
              sum_of_squares = reduce(lambda x, y: x + y, squared_numbers)<\/p>\n
              print(sum_of_squares)  # \u8f93\u51fa: 55<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0creduce<\/code>\u51fd\u6570\u7528\u4e8e\u8ba1\u7b97map<\/code>\u51fd\u6570\u7ed3\u679c\u7684\u603b\u548c\u3002<\/p>\n<\/p>\n
              \u56db\u3001MAP\u51fd\u6570\u7684\u6027\u80fd\u8003\u8651<\/p>\n<\/p>\n
              \u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\uff0c\u6027\u80fd\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\u3002map<\/code>\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u8fed\u4ee3\u5668\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u662f\u60f0\u6027\u6c42\u503c\u7684\uff0c\u4ec5\u5728\u9700\u8981\u65f6\u624d\u8ba1\u7b97\u7ed3\u679c\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97map<\/code>\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\u5177\u6709\u4e00\u5b9a\u7684\u6027\u80fd\u4f18\u52bf\uff0c\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u5728\u5185\u5b58\u4e2d\u5b58\u50a8\u6574\u4e2a\u7ed3\u679c\u96c6\u3002<\/p>\n<\/p>\n
                \n
              1. \u60f0\u6027\u6c42\u503c<\/strong><\/li>\n<\/ol>\n
                \u7531\u4e8emap<\/code>\u51fd\u6570\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u8fed\u4ee3\u5668\uff0c\u5b83\u4e0d\u4f1a\u7acb\u5373\u8ba1\u7b97\u6240\u6709\u7ed3\u679c\uff0c\u800c\u662f\u7b49\u5230\u9700\u8981\u65f6\u624d\u8fdb\u884c\u8ba1\u7b97\u3002\u8fd9\u610f\u5473\u7740\u53ef\u4ee5\u8282\u7701\u5185\u5b58\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u5927\u6570\u636e\u96c6\u65f6\u3002<\/p>\n<\/p>\n
                # \u60f0\u6027\u6c42\u503c\u793a\u4f8b<\/p>\n
                def increment(x):<\/p>\n
                    print(f"Incrementing {x}")<\/p>\n
                    return x + 1<\/p>\n
                numbers = [1, 2, 3, 4, 5]<\/p>\n
                result = map(increment, numbers)<\/p>\n
                \u4ec5\u5728\u8bbf\u95ee\u7ed3\u679c\u65f6\u624d\u4f1a\u6267\u884cincrement\u51fd\u6570<\/strong><\/h2>\n
                for value in result:<\/p>\n
                    print(value)<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                  \n
                1. \u4e0e\u5217\u8868\u89e3\u6790\u7684\u6bd4\u8f83<\/strong><\/li>\n<\/ol>\n
                  \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5217\u8868\u89e3\u6790\u53ef\u80fd\u6bd4map<\/code>\u51fd\u6570\u66f4\u5177\u53ef\u8bfb\u6027\u548c\u7075\u6d3b\u6027\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u5bf9\u7ed3\u679c\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406\u65f6\u3002\u7136\u800c\uff0c\u5217\u8868\u89e3\u6790\u4f1a\u7acb\u5373\u8ba1\u7b97\u6240\u6709\u7ed3\u679c\uff0c\u8fd9\u53ef\u80fd\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\u5bfc\u81f4\u5185\u5b58\u95ee\u9898\u3002<\/p>\n<\/p>\n
                  # \u5217\u8868\u89e3\u6790\u793a\u4f8b<\/p>\n
                  numbers = [1, 2, 3, 4, 5]<\/p>\n
                  squared_numbers = [x  2 for x in numbers]<\/p>\n
                  print(squared_numbers)  # \u8f93\u51fa: [1, 4, 9, 16, 25]<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                  \u4e94\u3001MAP\u51fd\u6570\u7684\u5c40\u9650\u6027<\/p>\n<\/p>\n
                  \u5c3d\u7ba1map<\/code>\u51fd\u6570\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\u90fd\u5f88\u6709\u7528\uff0c\u4f46\u5b83\u4e5f\u6709\u4e00\u4e9b\u5c40\u9650\u6027\uff0c\u5f00\u53d1\u8005\u5728\u4f7f\u7528\u65f6\u9700\u8981\u6ce8\u610f\u3002<\/p>\n<\/p>\n
                    \n
                  1. \u51fd\u6570\u7684\u5c40\u9650\u6027<\/strong><\/li>\n<\/ol>\n
                    map<\/code>\u51fd\u6570\u8981\u6c42\u4f20\u5165\u7684\u51fd\u6570\u53ea\u80fd\u6709\u4e00\u4e2a\u8fd4\u56de\u503c\uff0c\u5e76\u4e14\u5fc5\u987b\u9002\u7528\u4e8e\u6240\u6709\u8f93\u5165\u5143\u7d20\u3002\u5982\u679c\u9700\u8981\u66f4\u590d\u6742\u7684\u903b\u8f91\uff0c\u53ef\u80fd\u9700\u8981\u8003\u8651\u4f7f\u7528\u5176\u4ed6\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
                    # \u590d\u6742\u903b\u8f91\u793a\u4f8b<\/p>\n
                    numbers = [1, 2, 3, 4, 5]<\/p>\n
                    def complex_logic(x):<\/p>\n
                        if x % 2 == 0:<\/p>\n
                            return x  2<\/p>\n
                        else:<\/p>\n
                            return x + 1<\/p>\n
                    result = map(complex_logic, numbers)<\/p>\n
                    print(list(result))  # \u8f93\u51fa: [2, 4, 4, 16, 6]<\/p>\n
                    <\/code><\/pre>\n<\/p>\n
                      \n
                    1. \u8f93\u5165\u957f\u5ea6\u7684\u9650\u5236<\/strong><\/li>\n<\/ol>\n
                      \u5f53map<\/code>\u51fd\u6570\u5e94\u7528\u4e8e\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u65f6\uff0c\u8fd9\u4e9b\u5bf9\u8c61\u5fc5\u987b\u5177\u6709\u76f8\u540c\u7684\u957f\u5ea6\u3002\u5426\u5219\uff0cmap<\/code>\u4f1a\u4ee5\u6700\u77ed\u7684\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e3a\u51c6\uff0c\u5ffd\u7565\u591a\u4f59\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n
                      # \u4e0d\u540c\u957f\u5ea6\u7684\u53ef\u8fed\u4ee3\u5bf9\u8c61<\/p>\n
                      numbers1 = [1, 2, 3]<\/p>\n
                      numbers2 = [4, 5]<\/p>\n
                      summed_numbers = map(lambda x, y: x + y, numbers1, numbers2)<\/p>\n
                      print(list(summed_numbers))  # \u8f93\u51fa: [5, 7]<\/p>\n
                      <\/code><\/pre>\n<\/p>\n
                      \u603b\u7ed3\uff1amap<\/code>\u51fd\u6570\u662fPython\u4e2d\u7684\u4e00\u4e2a\u5f3a\u5927\u5de5\u5177\uff0c\u53ef\u7528\u4e8e\u9ad8\u6548\u5730\u5bf9\u53ef\u8fed\u4ee3\u5bf9\u8c61\u8fdb\u884c\u6279\u91cf\u64cd\u4f5c\u548c\u6570\u636e\u8f6c\u6362\u3002\u7406\u89e3\u5b83\u7684\u7528\u6cd5\u548c\u5c40\u9650\u6027\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u505a\u51fa\u66f4\u660e\u667a\u7684\u9009\u62e9\u3002\u901a\u8fc7\u7ed3\u5408\u5176\u4ed6\u51fd\u6570\uff0c\u5982filter<\/code>\u548creduce<\/code>\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u4efb\u52a1\u3002<\/p>\n<\/p>\n
                      \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                       \u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528map\u51fd\u6570\u8fdb\u884c\u6570\u636e\u5904\u7406\uff1f<\/strong>
                      map\u51fd\u6570\u5141\u8bb8\u4f60\u5c06\u4e00\u4e2a\u51fd\u6570\u5e94\u7528\u4e8e\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\uff0c\u4ece\u800c\u5b9e\u73b0\u6279\u91cf\u5904\u7406\u6570\u636e\u7684\u76ee\u7684\u3002\u4f7f\u7528\u65f6\uff0c\u9996\u5148\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u7136\u540e\u5c06\u8be5\u51fd\u6570\u4e0e\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165map\u51fd\u6570\u3002\u8fd4\u56de\u7684\u7ed3\u679c\u662f\u4e00\u4e2amap\u5bf9\u8c61\uff0c\u53ef\u4ee5\u901a\u8fc7list()\u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u8fdb\u884c\u67e5\u770b\u3002<\/p>\n
                      map\u51fd\u6570\u7684\u8fd4\u56de\u503c\u662f\u4ec0\u4e48\uff1f<\/strong>
                      map\u51fd\u6570\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u8fed\u4ee3\u5668\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u8fd4\u56de\u5217\u8868\u3002\u5982\u679c\u5e0c\u671b\u83b7\u5f97\u4e00\u4e2a\u5217\u8868\uff0c\u4f60\u9700\u8981\u4f7f\u7528list()\u51fd\u6570\u5c06map\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5217\u8868\u3002\u4f8b\u5982\uff0c\u4f7f\u7528list(map(func, iterable))<\/code>\u53ef\u4ee5\u5f97\u5230\u5904\u7406\u540e\u7684\u6240\u6709\u5143\u7d20\u7684\u5217\u8868\u3002<\/p>\n
                      \u5982\u4f55\u5904\u7406\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u65f6\u4f7f\u7528map\u51fd\u6570\uff1f<\/strong>
                      \u5728\u4f7f\u7528map\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u540c\u65f6\u4f20\u5165\u591a\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3002\u6b64\u65f6\uff0c\u5b9a\u4e49\u7684\u51fd\u6570\u9700\u8981\u63a5\u53d7\u4e0e\u53ef\u8fed\u4ee3\u5bf9\u8c61\u6570\u91cf\u76f8\u540c\u7684\u53c2\u6570\u3002map\u51fd\u6570\u4f1a\u5e76\u884c\u5730\u4ece\u6bcf\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u53d6\u51fa\u5143\u7d20\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165\u51fd\u6570\u8fdb\u884c\u5904\u7406\uff0c\u8fd4\u56de\u7684\u7ed3\u679c\u4ecd\u7136\u662f\u4e00\u4e2amap\u5bf9\u8c61\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u8bbe\u7f6emap\u51fd\u6570\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528map\u51fd\u6570\u5c06\u4e00\u4e2a\u51fd\u6570\u5e94\u7528\u4e8e\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3001\u8fd4\u56de\u4e00\u4e2a\u8fed\u4ee3\u5668\u3001\u7ed3\u5408 […]","protected":false},"author":3,"featured_media":976853,"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\/976846"}],"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=976846"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/976846\/revisions"}],"predecessor-version":[{"id":976858,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/976846\/revisions\/976858"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/976853"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=976846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=976846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=976846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}