{"id":976191,"date":"2024-12-27T06:19:34","date_gmt":"2024-12-26T22:19:34","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/976191.html"},"modified":"2024-12-27T06:19:35","modified_gmt":"2024-12-26T22:19:35","slug":"python%e6%89%93%e5%8d%b0%e5%a6%82%e4%bd%95%e5%8e%bb%e9%99%a4%e7%a9%ba%e6%a0%bc","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/976191.html","title":{"rendered":"python\u6253\u5370\u5982\u4f55\u53bb\u9664\u7a7a\u683c"},"content":{"rendered":"

\"python\u6253\u5370\u5982\u4f55\u53bb\u9664\u7a7a\u683c\"<\/p>\n

\u5728Python\u4e2d\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff0c\u5305\u62ec\u4f7f\u7528strip()<\/code>\u3001lstrip()<\/code>\u3001rstrip()<\/code>\u3001\u4ee5\u53careplace()<\/code>\u65b9\u6cd5<\/strong>\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u5176\u9002\u7528\u7684\u573a\u666f\uff0c\u6bd4\u5982strip()<\/code>\u7528\u4e8e\u53bb\u9664\u5b57\u7b26\u4e32\u4e24\u7aef\u7684\u7a7a\u683c\uff0creplace()<\/code>\u5219\u7528\u4e8e\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u7a7a\u683c\u3002\u5982\u679c\u4f60\u9700\u8981\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u7684\u7a7a\u683c\uff0c\u53ef\u4ee5\u4f7f\u7528replace()<\/code>\u65b9\u6cd5\uff0c\u5b83\u80fd\u591f\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u6307\u5b9a\u5b57\u7b26\u3002<\/strong><\/p>\n<\/p>\n

\u4f8b\u5982\uff0creplace()<\/code>\u7684\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

text = " Hello World "<\/p>\n
clean_text = text.replace(" ", "")<\/p>\n
print(clean_text)  # \u8f93\u51fa: HelloWorld<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u975e\u5e38\u7b80\u5355\u76f4\u63a5\uff0c\u9002\u5408\u7528\u4e8e\u9700\u8981\u79fb\u9664\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u7a7a\u683c\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8Python\u4e2d\u5904\u7406\u5b57\u7b26\u4e32\u7a7a\u683c\u7684\u5404\u79cd\u65b9\u6cd5\u548c\u6280\u5de7\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528STRIP()\u3001LSTRIP()\u3001RSTRIP()\u53bb\u9664\u7a7a\u683c<\/p>\n<\/p>\n
strip()<\/code>\u3001lstrip()<\/code>\u3001rstrip()<\/code>\u662fPython\u4e2d\u53bb\u9664\u5b57\u7b26\u4e32\u4e24\u7aef\u7a7a\u683c\u7684\u5e38\u7528\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
    \n
  1. strip()<\/code>: \u53bb\u9664\u5b57\u7b26\u4e32\u4e24\u7aef\u7684\u7a7a\u683c\u6216\u6307\u5b9a\u5b57\u7b26\u3002<\/li>\n<\/ol>\n
    text = " Hello World "<\/p>\n
    clean_text = text.strip()<\/p>\n
    print(clean_text)  # \u8f93\u51fa: Hello World<\/p>\n
    <\/code><\/pre>\n<\/p>\n
      \n
    1. lstrip()<\/code>: \u4ec5\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u4fa7\u7684\u7a7a\u683c\u6216\u6307\u5b9a\u5b57\u7b26\u3002<\/li>\n<\/ol>\n
      text = " Hello World "<\/p>\n
      clean_text = text.lstrip()<\/p>\n
      print(clean_text)  # \u8f93\u51fa: Hello World <\/p>\n
      <\/code><\/pre>\n<\/p>\n
        \n
      1. rstrip()<\/code>: \u4ec5\u53bb\u9664\u5b57\u7b26\u4e32\u53f3\u4fa7\u7684\u7a7a\u683c\u6216\u6307\u5b9a\u5b57\u7b26\u3002<\/li>\n<\/ol>\n
        text = " Hello World "<\/p>\n
        clean_text = text.rstrip()<\/p>\n
        print(clean_text)  # \u8f93\u51fa:  Hello World<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u8fd9\u4e9b\u65b9\u6cd5\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u53bb\u9664\u5b57\u7b26\u4e32\u4e24\u7aef\u7a7a\u683c\u7684\u573a\u666f\uff0c\u6bd4\u5982\u7528\u6237\u8f93\u5165\u7684\u6587\u672c\u6570\u636e\u5904\u7406\u3002<\/p>\n<\/p>\n
        \u4e8c\u3001\u4f7f\u7528REPLACE()\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u7a7a\u683c<\/p>\n<\/p>\n
        replace()<\/code>\u65b9\u6cd5\u7528\u4e8e\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u6307\u5b9a\u5b57\u7b26\u6216\u5b50\u5b57\u7b26\u4e32\u3002\u901a\u8fc7\u5c06\u7a7a\u683c\u66ff\u6362\u4e3a\u65e0\u5b57\u7b26\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u53bb\u9664\u6240\u6709\u7a7a\u683c\u3002<\/p>\n<\/p>\n
        text = " Hello World "<\/p>\n
        clean_text = text.replace(" ", "")<\/p>\n
        print(clean_text)  # \u8f93\u51fa: HelloWorld<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        replace()<\/code>\u4e0d\u4ec5\u53ef\u4ee5\u53bb\u9664\u7a7a\u683c\uff0c\u8fd8\u53ef\u4ee5\u66ff\u6362\u4efb\u4f55\u6307\u5b9a\u7684\u5b50\u5b57\u7b26\u4e32\uff0c\u56e0\u6b64\u7528\u9014\u975e\u5e38\u5e7f\u6cdb\u3002<\/p>\n<\/p>\n
        \u4e09\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u53bb\u9664\u7a7a\u683c<\/p>\n<\/p>\n
        \u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u4f9b\u4e86\u66f4\u4e3a\u7075\u6d3b\u548c\u5f3a\u5927\u7684\u5b57\u7b26\u4e32\u5904\u7406\u80fd\u529b\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528re<\/code>\u6a21\u5757\u6765\u64cd\u4f5c\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n
          \n
        1. \u53bb\u9664\u6240\u6709\u7a7a\u683c\uff1a<\/li>\n<\/ol>\n
          import re<\/p>\n
          text = " Hello World "<\/p>\n
          clean_text = re.sub(r"\\s+", "", text)<\/p>\n
          print(clean_text)  # \u8f93\u51fa: HelloWorld<\/p>\n
          <\/code><\/pre>\n<\/p>\n
            \n
          1. \u53bb\u9664\u5b57\u7b26\u4e32\u4e24\u7aef\u7a7a\u683c\uff1a<\/li>\n<\/ol>\n
            import re<\/p>\n
            text = " Hello World "<\/p>\n
            clean_text = re.sub(r"^\\s+|\\s+$", "", text)<\/p>\n
            print(clean_text)  # \u8f93\u51fa: Hello World<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u6b63\u5219\u8868\u8fbe\u5f0f\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u8fdb\u884c\u590d\u6742\u5b57\u7b26\u4e32\u5339\u914d\u548c\u66ff\u6362\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
            \u56db\u3001\u4f7f\u7528\u5217\u8868\u89e3\u6790\u53bb\u9664\u7a7a\u683c<\/p>\n<\/p>\n
            \u5217\u8868\u89e3\u6790\u662f\u4e00\u79cd\u7b80\u6d01\u7684Python\u8bed\u6cd5\uff0c\u9002\u5408\u7528\u4e8e\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u7b80\u5355\u7684\u5b57\u7b26\u8fc7\u6ee4\u3002<\/p>\n<\/p>\n
            text = " Hello World "<\/p>\n
            clean_text = ''.join([c for c in text if c != ' '])<\/p>\n
            print(clean_text)  # \u8f93\u51fa: HelloWorld<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u7075\u6d3b\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5bf9\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u8fdb\u884c\u4efb\u610f\u6761\u4ef6\u7684\u8fc7\u6ee4\u3002<\/p>\n<\/p>\n
            \u4e94\u3001\u5b57\u7b26\u4e32\u5206\u5272\u548c\u8fde\u63a5\u53bb\u9664\u7a7a\u683c<\/p>\n<\/p>\n
            \u53e6\u4e00\u79cd\u53bb\u9664\u7a7a\u683c\u7684\u65b9\u6cd5\u662f\u5148\u5c06\u5b57\u7b26\u4e32\u5206\u5272\u6210\u5355\u8bcd\u5217\u8868\uff0c\u518d\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u91cd\u65b0\u8fde\u63a5\u8fd9\u4e9b\u5355\u8bcd\u3002<\/p>\n<\/p>\n
            text = " Hello World "<\/p>\n
            words = text.split()<\/p>\n
            clean_text = ''.join(words)<\/p>\n
            print(clean_text)  # \u8f93\u51fa: HelloWorld<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u4fdd\u7559\u5355\u8bcd\u987a\u5e8f\u4f46\u53bb\u9664\u7a7a\u683c\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
            \u603b\u7ed3\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u53bb\u9664\u5b57\u7b26\u4e32\u7a7a\u683c\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002replace()<\/code>\u65b9\u6cd5\u662f\u6700\u76f4\u63a5\u7684\u53bb\u9664\u6240\u6709\u7a7a\u683c\u7684\u65b9\u5f0f<\/strong>\uff0c\u800cstrip()<\/code>\u7cfb\u5217\u65b9\u6cd5\u9002\u7528\u4e8e\u53bb\u9664\u4e24\u7aef\u7a7a\u683c\u3002\u5bf9\u4e8e\u590d\u6742\u7684\u5b57\u7b26\u4e32\u5904\u7406\u4efb\u52a1\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u5217\u8868\u89e3\u6790\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027\u3002\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\uff0c\u4f60\u53ef\u4ee5\u5728Python\u4e2d\u9ad8\u6548\u5730\u5904\u7406\u5404\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u95ee\u9898\u3002<\/p>\n<\/p>\n
            \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
             \u5982\u4f55\u5728Python\u4e2d\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\uff1f<\/strong>
            \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528str.replace()<\/code>\u65b9\u6cd5\u6216str.strip()<\/code>\u65b9\u6cd5\u6765\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\u3002replace()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u7a7a\u683c\uff0c\u800cstrip()<\/code>\u65b9\u6cd5\u5219\u7528\u4e8e\u53bb\u6389\u5b57\u7b26\u4e32\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u7a7a\u683c\u3002\u4f8b\u5982\uff1a<\/p>\n
            text = "  Hello World  "\ntext_no_spaces = text.strip()  # \u53bb\u9664\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u7a7a\u683c\nprint(text_no_spaces)  # \u8f93\u51fa: 'Hello World'\n<\/code><\/pre>\n
            \u5982\u679c\u8981\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u7a7a\u683c\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
            text_no_spaces = text.replace(" ", "")  # \u53bb\u9664\u6240\u6709\u7a7a\u683c\nprint(text_no_spaces)  # \u8f93\u51fa: 'HelloWorld'\n<\/code><\/pre>\n
            \u5728\u5217\u8868\u4e2d\u5982\u4f55\u53bb\u9664\u6bcf\u4e2a\u5b57\u7b26\u4e32\u7684\u7a7a\u683c\uff1f<\/strong>
            \u5f53\u5904\u7406\u5305\u542b\u591a\u4e2a\u5b57\u7b26\u4e32\u7684\u5217\u8868\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u7ed3\u5408strip()<\/code>\u6216replace()<\/code>\u65b9\u6cd5\u3002\u8fd9\u6837\u53ef\u4ee5\u9ad8\u6548\u5730\u53bb\u9664\u5217\u8868\u4e2d\u6bcf\u4e2a\u5b57\u7b26\u4e32\u7684\u7a7a\u683c\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
            strings = ["  Hello ", " World  ", " Python "]\ncleaned_strings = [s.strip() for s in strings]  # \u53bb\u6389\u6bcf\u4e2a\u5b57\u7b26\u4e32\u7684\u5f00\u5934\u548c\u7ed3\u5c3e\u7a7a\u683c\nprint(cleaned_strings)  # \u8f93\u51fa: ['Hello', 'World', 'Python']\n<\/code><\/pre>\n
            \u5982\u4f55\u53bb\u9664\u6587\u672c\u6587\u4ef6\u4e2d\u6bcf\u4e00\u884c\u7684\u7a7a\u683c\uff1f<\/strong>
            \u5982\u679c\u8981\u5904\u7406\u6587\u672c\u6587\u4ef6\u4e2d\u7684\u6bcf\u4e00\u884c\uff0c\u53ef\u4ee5\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u4f7f\u7528strip()<\/code>\u6765\u53bb\u9664\u6bcf\u884c\u7684\u7a7a\u683c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5904\u7406\u6587\u672c\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n
            with open('file.txt', 'r') as file:\n    lines = file.readlines()  # \u8bfb\u53d6\u6240\u6709\u884c\n    cleaned_lines = [line.strip() for line in lines]  # \u53bb\u9664\u6bcf\u884c\u7684\u5f00\u5934\u548c\u7ed3\u5c3e\u7a7a\u683c\n    print(cleaned_lines)\n<\/code><\/pre>\n
            \u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u5730\u6e05\u7406\u6587\u4ef6\u5185\u5bb9\uff0c\u786e\u4fdd\u6bcf\u884c\u6570\u636e\u7684\u6574\u6d01\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff0c\u5305\u62ec\u4f7f\u7528strip()\u3001lstrip()\u3001rstrip […]","protected":false},"author":3,"featured_media":976198,"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\/976191"}],"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=976191"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/976191\/revisions"}],"predecessor-version":[{"id":976199,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/976191\/revisions\/976199"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/976198"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=976191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=976191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=976191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}