{"id":996071,"date":"2024-12-27T09:10:12","date_gmt":"2024-12-27T01:10:12","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/996071.html"},"modified":"2024-12-27T09:10:15","modified_gmt":"2024-12-27T01:10:15","slug":"python-%e5%a6%82%e4%bd%95%e8%be%93%e5%87%ba%e6%96%87%e5%ad%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/996071.html","title":{"rendered":"python \u5982\u4f55\u8f93\u51fa\u6587\u5b57"},"content":{"rendered":"

\"python<\/p>\n

Python\u8f93\u51fa\u6587\u5b57\u7684\u65b9\u6cd5\u6709print()\u51fd\u6570\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001\u65e5\u5fd7\u6a21\u5757\u7b49\u3002<\/strong>\u5176\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528print()<\/code>\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u76f4\u63a5\u5728\u63a7\u5236\u53f0\u8f93\u51fa\u5b57\u7b26\u4e32\u6216\u53d8\u91cf\u7684\u503c\u3002\u901a\u8fc7\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u53d8\u91cf\u7684\u503c\u5d4c\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\uff0c\u5f62\u6210\u66f4\u590d\u6742\u7684\u8f93\u51fa\u3002\u65e5\u5fd7\u6a21\u5757\u5219\u7528\u4e8e\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8bb0\u5f55\u4fe1\u606f\uff0c\u4fbf\u4e8e\u8c03\u8bd5\u548c\u76d1\u63a7\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001PRINT()\u51fd\u6570<\/p>\n<\/p>\n

print()<\/code>\u51fd\u6570\u662fPython\u4e2d\u7528\u4e8e\u8f93\u51fa\u7684\u6700\u57fa\u672c\u65b9\u6cd5\u3002\u5b83\u53ef\u4ee5\u8f93\u51fa\u5b57\u7b26\u4e32\u3001\u53d8\u91cf\u4ee5\u53ca\u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\u3002\u4f7f\u7528\u65f6\u53ea\u9700\u5c06\u8981\u8f93\u51fa\u7684\u5185\u5bb9\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9print()<\/code>\u51fd\u6570\u5373\u53ef\u3002<\/p>\n<\/p>\n

    \n
  1. \u8f93\u51fa\u5b57\u7b26\u4e32\u548c\u53d8\u91cf<\/li>\n<\/ol>\n

    \u5728Python\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7print()<\/code>\u51fd\u6570\u76f4\u63a5\u8f93\u51fa\u5b57\u7b26\u4e32\u548c\u53d8\u91cf\u7684\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

    name = "Alice"<\/p>\n
    print("Hello, World!")<\/p>\n
    print("Hello,", name)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4e0a\u8ff0\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
    Hello, World!<\/p>\n
    Hello, Alice<\/p>\n
    <\/code><\/pre>\n<\/p>\n
      \n
    1. \u591a\u4e2a\u53c2\u6570\u8f93\u51fa<\/li>\n<\/ol>\n
      print()<\/code>\u51fd\u6570\u53ef\u4ee5\u63a5\u53d7\u591a\u4e2a\u53c2\u6570\uff0c\u5e76\u5c06\u5b83\u4eec\u4ee5\u7a7a\u683c\u5206\u9694\u8f93\u51fa\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      x = 5<\/p>\n
      y = 10<\/p>\n
      print("The sum of", x, "and", y, "is", x + y)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
      The sum of 5 and 10 is 15<\/p>\n
      <\/code><\/pre>\n<\/p>\n
        \n
      1. \u4f7f\u7528\u5206\u9694\u7b26<\/li>\n<\/ol>\n
        print()<\/code>\u51fd\u6570\u63d0\u4f9b\u4e86sep<\/code>\u53c2\u6570\uff0c\u7528\u4e8e\u6307\u5b9a\u8f93\u51fa\u591a\u4e2a\u53c2\u6570\u65f6\u7684\u5206\u9694\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
        print("apple", "banana", "cherry", sep=", ")<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
        apple, banana, cherry<\/p>\n
        <\/code><\/pre>\n<\/p>\n
          \n
        1. \u63a7\u5236\u6362\u884c<\/li>\n<\/ol>\n
          print()<\/code>\u51fd\u6570\u9ed8\u8ba4\u5728\u8f93\u51fa\u7ed3\u675f\u540e\u6362\u884c\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7end<\/code>\u53c2\u6570\u63a7\u5236\u8fd9\u4e00\u884c\u4e3a\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
          print("Hello, World!", end=" ")<\/p>\n
          print("How are you?")<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
          Hello, World! How are you?<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u4e8c\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32<\/p>\n<\/p>\n
          \u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5141\u8bb8\u6211\u4eec\u5728\u5b57\u7b26\u4e32\u4e2d\u5d4c\u5165\u53d8\u91cf\u6216\u8868\u8fbe\u5f0f\u7684\u503c\uff0c\u5f62\u6210\u66f4\u590d\u6742\u7684\u8f93\u51fa\u3002Python\u4e2d\u5e38\u7528\u7684\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u65b9\u6cd5\u6709\u767e\u5206\u53f7\u683c\u5f0f\u5316\u3001str.format()<\/code>\u65b9\u6cd5\u548cf-string\u3002<\/p>\n<\/p>\n
            \n
          1. \u767e\u5206\u53f7\u683c\u5f0f\u5316<\/li>\n<\/ol>\n
            \u8fd9\u79cd\u683c\u5f0f\u5316\u65b9\u6cd5\u8f83\u4e3a\u53e4\u8001\uff0c\u4f46\u4ecd\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528%<\/code>\u7b26\u53f7\u548c\u683c\u5f0f\u5316\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u5d4c\u5165\u53d8\u91cf\u7684\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
            name = "Alice"<\/p>\n
            age = 30<\/p>\n
            print("My name is %s and I am %d years old." % (name, age))<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
            My name is Alice and I am 30 years old.<\/p>\n
            <\/code><\/pre>\n<\/p>\n
              \n
            1. str.format()\u65b9\u6cd5<\/li>\n<\/ol>\n
              str.format()<\/code>\u65b9\u6cd5\u662fPython\u4e2d\u66f4\u73b0\u4ee3\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u3002\u5b83\u4f7f\u7528\u82b1\u62ec\u53f7{}<\/code>\u4f5c\u4e3a\u5360\u4f4d\u7b26\uff0c\u5e76\u5728format()<\/code>\u65b9\u6cd5\u4e2d\u4f20\u5165\u53d8\u91cf\u7684\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
              name = "Alice"<\/p>\n
              age = 30<\/p>\n
              print("My name is {} and I am {} years old.".format(name, age))<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
              My name is Alice and I am 30 years old.<\/p>\n
              <\/code><\/pre>\n<\/p>\n
                \n
              1. f-string\u683c\u5f0f\u5316<\/li>\n<\/ol>\n
                f-string\u662f\u4e00\u79cd\u5728Python 3.6\u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u5f15\u5165\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u3002\u5b83\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u524d\u52a0\u4e0a\u5b57\u6bcdf<\/code>\uff0c\u5e76\u5728\u82b1\u62ec\u53f7{}<\/code>\u4e2d\u76f4\u63a5\u5d4c\u5165\u53d8\u91cf\u6216\u8868\u8fbe\u5f0f\u7684\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                name = "Alice"<\/p>\n
                age = 30<\/p>\n
                print(f"My name is {name} and I am {age} years old.")<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
                My name is Alice and I am 30 years old.<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u4e09\u3001\u65e5\u5fd7\u6a21\u5757<\/p>\n<\/p>\n
                Python\u7684logging<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u79cd\u7075\u6d3b\u7684\u8bb0\u5f55\u65e5\u5fd7\u4fe1\u606f\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u8f83\u4e3a\u590d\u6742\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u901a\u8fc7\u65e5\u5fd7\u6a21\u5757\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u4fe1\u606f\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3001\u6587\u4ef6\u6216\u5176\u4ed6\u76ee\u6807\u3002<\/p>\n<\/p>\n
                  \n
                1. \u57fa\u672c\u7528\u6cd5<\/li>\n<\/ol>\n
                  \u8981\u4f7f\u7528\u65e5\u5fd7\u6a21\u5757\uff0c\u9996\u5148\u9700\u8981\u5bfc\u5165logging<\/code>\u6a21\u5757\uff0c\u5e76\u914d\u7f6e\u57fa\u672c\u7684\u65e5\u5fd7\u8bbe\u7f6e\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                  import logging<\/p>\n
                  logging.basicConfig(level=logging.INFO)<\/p>\n
                  logging.info("This is an info message.")<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                  \u4e0a\u8ff0\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
                  INFO:root:This is an info message.<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                    \n
                  1. \u65e5\u5fd7\u7ea7\u522b<\/li>\n<\/ol>\n
                    logging<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u591a\u79cd\u65e5\u5fd7\u7ea7\u522b\uff0c\u7528\u4e8e\u6307\u793a\u4fe1\u606f\u7684\u91cd\u8981\u6027\u3002\u5e38\u7528\u7684\u65e5\u5fd7\u7ea7\u522b\u5305\u62ec\uff1a<\/p>\n<\/p>\n
                      \n
                    • DEBUG<\/code>: \u8c03\u8bd5\u4fe1\u606f<\/li>\n
                    • INFO<\/code>: \u4e00\u822c\u4fe1\u606f<\/li>\n
                    • WARNING<\/code>: \u8b66\u544a\u4fe1\u606f<\/li>\n
                    • ERROR<\/code>: \u9519\u8bef\u4fe1\u606f<\/li>\n
                    • CRITICAL<\/code>: \u4e25\u91cd\u9519\u8bef\u4fe1\u606f<\/li>\n<\/ul>\n
                      \u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684\u65e5\u5fd7\u7ea7\u522b\uff0c\u6211\u4eec\u53ef\u4ee5\u8fc7\u6ee4\u8f93\u51fa\u7684\u4fe1\u606f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                      logging.basicConfig(level=logging.WARNING)<\/p>\n
                      logging.info("This will not be printed.")<\/p>\n
                      logging.warning("This is a warning message.")<\/p>\n
                      <\/code><\/pre>\n<\/p>\n
                      \u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n
                      WARNING:root:This is a warning message.<\/p>\n
                      <\/code><\/pre>\n<\/p>\n
                        \n
                      1. \u8f93\u51fa\u5230\u6587\u4ef6<\/li>\n<\/ol>\n
                        \u6211\u4eec\u53ef\u4ee5\u5c06\u65e5\u5fd7\u4fe1\u606f\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d\uff0c\u4ee5\u4fbf\u4e8e\u540e\u7eed\u5206\u6790\u3002\u53ea\u9700\u5728\u914d\u7f6e\u65e5\u5fd7\u65f6\u6307\u5b9a\u6587\u4ef6\u540d\u5373\u53ef\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
                        logging.basicConfig(filename='app.log', level=logging.INFO)<\/p>\n
                        logging.info("This message will be written to a file.")<\/p>\n
                        <\/code><\/pre>\n<\/p>\n
                        \u603b\u7ed3<\/p>\n<\/p>\n
                        Python\u63d0\u4f9b\u4e86\u591a\u79cd\u8f93\u51fa\u6587\u5b57\u7684\u65b9\u6cd5\uff0cprint()<\/code>\u51fd\u6570\u9002\u7528\u4e8e\u7b80\u5355\u7684\u8f93\u51fa\u9700\u6c42\uff0c\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u63d0\u4f9b\u4e86\u66f4\u7075\u6d3b\u7684\u8f93\u51fa\u9009\u9879\uff0c\u800c\u65e5\u5fd7\u6a21\u5757\u5219\u9002\u7528\u4e8e\u590d\u6742\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u6839\u636e\u4e0d\u540c\u7684\u573a\u666f\uff0c\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u8fdb\u884c\u6587\u5b57\u8f93\u51fa\u3002\u65e0\u8bba\u662f\u8c03\u8bd5\u3001\u8bb0\u5f55\u65e5\u5fd7\u8fd8\u662f\u8f93\u51fa\u7ed3\u679c\uff0cPython\u7684\u8f93\u51fa\u529f\u80fd\u90fd\u80fd\u6ee1\u8db3\u6211\u4eec\u7684\u9700\u6c42\u3002<\/p>\n<\/p>\n
                        \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                         \u5982\u4f55\u5728Python\u4e2d\u6253\u5370\u53d8\u91cf\u7684\u503c\uff1f<\/strong>
                        \u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528print()<\/code>\u51fd\u6570\u6765\u8f93\u51fa\u53d8\u91cf\u7684\u503c\u3002\u53ea\u9700\u5c06\u53d8\u91cf\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9print()<\/code>\u51fd\u6570\u3002\u4f8b\u5982\uff1a  <\/p>\n
                        name = "Alice"\nprint(name)\n<\/code><\/pre>\n
                        \u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\u53d8\u91cfname<\/code>\u7684\u503c\uff0c\u5373"Alice"\u3002<\/p>\n
                        \u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u8f93\u51fa\u6587\u672c\u7684\u6700\u4f73\u65b9\u6cd5\u662f\u4ec0\u4e48\uff1f<\/strong>
                        \u53ef\u4ee5\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff08f-strings\uff09\uff0c\u8fd9\u662f\u4e00\u79cd\u7b80\u6d01\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\u6765\u683c\u5f0f\u5316\u8f93\u51fa\u3002\u5728\u5b57\u7b26\u4e32\u524d\u52a0\u4e0a\u5b57\u6bcdf<\/code>\uff0c\u7136\u540e\u5728\u5927\u62ec\u53f7\u5185\u63d2\u5165\u53d8\u91cf\u3002\u4f8b\u5982\uff1a  <\/p>\n
                        age = 30\nprint(f"My name is {name} and I am {age} years old.")\n<\/code><\/pre>\n
                        \u8fd9\u5c06\u8f93\u51fa"My name is Alice and I am 30 years old."\u3002<\/p>\n
                        \u5982\u4f55\u5728Python\u4e2d\u8f93\u51fa\u591a\u884c\u6587\u672c\uff1f<\/strong>
                        \u8981\u8f93\u51fa\u591a\u884c\u6587\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e09\u91cd\u5f15\u53f7\uff08'''<\/code> \u6216 """<\/code>\uff09\u6765\u5b9a\u4e49\u5b57\u7b26\u4e32\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n
                        print("""This is line one.\nThis is line two.\nThis is line three.""")\n<\/code><\/pre>\n
                        \u8fd9\u6bb5\u4ee3\u7801\u4f1a\u5728\u8f93\u51fa\u4e2d\u663e\u793a\u4e09\u884c\u6587\u672c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u8f93\u51fa\u6587\u5b57\u7684\u65b9\u6cd5\u6709print()\u51fd\u6570\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001\u65e5\u5fd7\u6a21\u5757\u7b49\u3002\u5176\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528print( […]","protected":false},"author":3,"featured_media":996077,"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\/996071"}],"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=996071"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/996071\/revisions"}],"predecessor-version":[{"id":996079,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/996071\/revisions\/996079"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/996077"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=996071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=996071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=996071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}