{"id":287605,"date":"2024-05-17T13:11:07","date_gmt":"2024-05-17T05:11:07","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/287605.html"},"modified":"2024-05-17T13:11:14","modified_gmt":"2024-05-17T05:11:14","slug":"%e4%ba%91%e8%ae%a1%e7%ae%97%e5%bc%80%e5%8f%91-python3-lstrip-%e6%96%b9%e6%b3%95%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/287605.html","title":{"rendered":"\u4e91\u8ba1\u7b97\u5f00\u53d1 Python3-lstrip() \u65b9\u6cd5\u662f\u4ec0\u4e48"},"content":{"rendered":"

\"\u4e91\u8ba1\u7b97\u5f00\u53d1<\/p>\n

\u4e91\u8ba1\u7b97\u5f00\u53d1\u4e2d\u7684Python3 lstrip()<\/code>\u65b9\u6cd5\u662f\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u5b57\u7b26\u4e32\u5904\u7406\u65b9\u6cd5\uff0c\u4e3b\u8981\u7528\u4e8e\u53bb\u9664\u5b57\u7b26\u4e32\u5f00\u59cb\u5904\u7684\u7a7a\u683c\u6216\u6307\u5b9a\u5b57\u7b26<\/strong>\u3001\u652f\u6301\u5b9a\u5236\u5316\u53bb\u9664\u5b57\u7b26\u96c6<\/strong>\u3001\u63d0\u9ad8\u6570\u636e\u5904\u7406\u6548\u7387\u4e0e\u7cbe\u786e\u5ea6<\/strong>\u3002\u8fd9\u4e2a\u65b9\u6cd5\u901a\u8fc7\u5bf9\u5b57\u7b26\u4e32\u5de6\u4fa7\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f7f\u6570\u636e\u66f4\u52a0\u5e72\u51c0\uff0c\u4fbf\u4e8e\u540e\u7eed\u5904\u7406\u548c\u5206\u6790\u3002\u7279\u522b\u5728\u5904\u7406\u4ece\u4e91\u7aef\u83b7\u53d6\u7684\u6570\u636e\u65f6\uff0c\u53bb\u9664\u4e0d\u5fc5\u8981\u7684\u7a7a\u767d\u6216\u7279\u5b9a\u5b57\u7b26\u663e\u5f97\u5c24\u5176\u91cd\u8981\u3002\u6b64\u5916\uff0clstrip()<\/code>\u65b9\u6cd5\u7684\u5b9a\u5236\u5316\u53bb\u9664\u529f\u80fd\u4f7f\u5f97\u6570\u636e\u9884\u5904\u7406\u66f4\u4e3a\u7075\u6d3b\uff0c\u4e3a\u6570\u636e\u5206\u6790\u548c\u673a\u5668\u5b66\u4e60<\/a>\u7b49\u9ad8\u7ea7\u529f\u80fd\u6253\u4e0b\u57fa\u7840\u3002<\/p>\n<\/p>\n

\u8be6\u7ec6\u63cf\u8ff0<\/strong>\uff1a<\/p>\n<\/p>\n

\u5728\u4e91\u8ba1\u7b97\u5e94\u7528\u5f00\u53d1\u4e2d\uff0c\u6570\u636e\u6e05\u6d17\u662f\u4e00\u4e2a\u91cd\u8981\u73af\u8282\u3002lstrip()<\/code>\u65b9\u6cd5\u63d0\u4f9b\u4e86\u4e00\u4e2a\u975e\u5e38\u6709\u6548\u7684\u9014\u5f84\u6765\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u4fa7\u4e0d\u9700\u8981\u7684\u5b57\u7b26\u3002\u8fd9\u5c24\u5176\u5728\u5904\u7406\u6765\u81ea\u4e91\u7aef\u7684\u65e5\u5fd7\u6587\u4ef6\u3001\u7528\u6237\u8f93\u5165\u3001\u6216\u662f\u5176\u4ed6\u6587\u672c\u6570\u636e\u65f6\u663e\u5f97\u975e\u5e38\u6709\u7528\u3002\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u51c6\u786e\u6027\uff0c\u4ece\u800c\u589e\u5f3a\u5e94\u7528\u7684\u7a33\u5b9a\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002\u5177\u4f53\u800c\u8a00\uff0c\u8be5\u65b9\u6cd5\u5728\u5904\u7406\u5e26\u6709\u989d\u5916\u7a7a\u683c\u6216\u7279\u6b8a\u683c\u5f0f\u524d\u7f00\u7684\u5b57\u7b26\u4e32\u65f6\u8868\u73b0\u51fa\u4e86\u5176\u5f3a\u5927\u7684\u529f\u80fd\u548c\u7075\u6d3b\u6027\uff0c\u8fd9\u8ba9\u5b83\u6210\u4e3a\u4e91\u8ba1\u7b97\u5f00\u53d1\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u4e4b\u4e00\u3002<\/p>\n<\/p>\n

\u4e00\u3001LSTRIP()<\/code>\u65b9\u6cd5\u57fa\u672c\u7528\u6cd5<\/strong><\/h3>\n<\/p>\n

lstrip()<\/code>\u65b9\u6cd5\u57fa\u672c\u7528\u6cd5\u5f88\u7b80\u5355\uff0c\u5b83\u4e0d\u9700\u8981\u4efb\u4f55\u989d\u5916\u7684\u5e93\uff0c\u53ef\u4ee5\u76f4\u63a5\u5728Python\u7684\u5b57\u7b26\u4e32\u5bf9\u8c61\u4e0a\u8c03\u7528\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u8be5\u65b9\u6cd5\u4f1a\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u4fa7\u7684\u6240\u6709\u7a7a\u683c\u3002<\/p>\n<\/p>\n

\u793a\u4f8b<\/strong>\uff1a<\/p>\n<\/p>\n

str = "   Hello, World! "<\/p>\n
print(str.lstrip())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a"Hello, World! "\uff0c\u53ef\u4ee5\u770b\u51fa\uff0c\u5b57\u7b26\u4e32\u5de6\u8fb9\u7684\u7a7a\u683c\u88ab\u6210\u529f\u79fb\u9664\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u5b9a\u5236\u5316\u53bb\u9664\u5b57\u7b26<\/strong><\/h3>\n<\/p>\n
lstrip()<\/code>\u7684\u4e00\u4e2a\u5f3a\u5927\u4e4b\u5904\u5728\u4e8e\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u6307\u5b9a\u8981\u53bb\u9664\u7684\u5b57\u7b26\u96c6\u3002\u8fd9\u610f\u5473\u7740\uff0c\u9664\u4e86\u7a7a\u683c\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6307\u5b9a\u4efb\u4f55\u4ed6\u4eec\u60f3\u8981\u4ece\u5b57\u7b26\u4e32\u5f00\u59cb\u5904\u53bb\u9664\u7684\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u793a\u4f8b<\/strong>\uff1a<\/p>\n<\/p>\n
str = "+++Hello, World!+++"<\/p>\n
print(str.lstrip('+'))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a"Hello, World!+++"\uff0c\u663e\u793a\u4e86\u5b57\u7b26\u4e32\u5f00\u59cb\u5904\u7684\u52a0\u53f7\uff08'+'\uff09\u88ab\u53bb\u9664\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5728\u4e91\u8ba1\u7b97\u4e2d\u7684\u5e94\u7528<\/strong><\/h3>\n<\/p>\n
\u4e91\u8ba1\u7b97\u5f00\u53d1\u4e2d\u5bf9\u6570\u636e\u7684\u5904\u7406\u8981\u6c42\u975e\u5e38\u9ad8\uff0c\u4f7f\u7528lstrip()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u5730\u53bb\u9664\u4ece\u4e91\u670d\u52a1\u4e2d\u83b7\u53d6\u7684\u6570\u636e\u524d\u7f00\uff0c\u6216\u662f\u5bf9\u63a5\u53e3\u8fd4\u56de\u7684JSON\u3001XML\u7b49\u683c\u5f0f\u7684\u6570\u636e\u8fdb\u884c\u9884\u5904\u7406\u3002<\/p>\n<\/p>\n
\u6570\u636e\u6e05\u6d17<\/strong>\uff1a<\/p>\n<\/p>\n
\u6570\u636e\u4ece\u4e91\u7aef\u83b7\u53d6\u540e\uff0c\u5f80\u5f80\u5305\u542b\u4e86\u5f88\u591a\u975e\u6570\u636e\u672c\u8eab\u7684\u4fe1\u606f\uff0c\u6bd4\u5982\u65f6\u95f4\u6233\u3001\u7279\u6b8a\u6807\u8bb0\u7b49\uff0c\u4f7f\u7528lstrip()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u6e05\u7406\u8fd9\u4e9b\u4fe1\u606f\u3002<\/p>\n<\/p>\n
\u65e5\u5fd7\u5904\u7406<\/strong>\uff1a<\/p>\n<\/p>\n
\u4e91\u8ba1\u7b97\u5e94\u7528\u7684\u65e5\u5fd7\u6587\u4ef6\u5f80\u5f80\u4ee5\u7279\u5b9a\u7684\u5b57\u7b26\u5e8f\u5217\u5f00\u59cb\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5e72\u6270\u65e5\u5fd7\u5206\u6790\u5de5\u5177\u7684\u6b63\u5e38\u5de5\u4f5c\u3002\u901a\u8fc7lstrip()<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8f7b\u677e\u53bb\u9664\u8fd9\u4e9b\u524d\u7f00\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4ee3\u7801\u793a\u4f8b\u4e0e\u5b9e\u8df5<\/strong><\/h3>\n<\/p>\n
\u4e3a\u4e86\u6df1\u5165\u7406\u89e3lstrip()<\/code>\u65b9\u6cd5\u7684\u5e94\u7528\uff0c\u4e0d\u59a8\u6765\u770b\u4e00\u4e9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<\/p>\n
\u793a\u4f8b1<\/strong>\uff1a\u53bb\u9664\u65e5\u5fd7\u6570\u636e\u7684\u65f6\u95f4\u6233\u3002<\/p>\n<\/p>\n
\u5047\u8bbe\u65e5\u5fd7\u7684\u683c\u5f0f\u4e3a"[YYYY-MM-DD] Message"\uff0c\u6211\u4eec\u5e0c\u671b\u53bb\u9664\u65f6\u95f4\u6233\u90e8\u5206\u3002<\/p>\n<\/p>\n
log = "[2023-01-01] Error: Null Pointer Exception"<\/p>\n
print(log.lstrip('[').split('] ', 1)[1])<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u793a\u4f8b2<\/strong>\uff1a\u5904\u7406\u7528\u6237\u8f93\u5165\u3002<\/p>\n<\/p>\n
\u5f53\u7528\u6237\u8f93\u5165\u6570\u636e\u65f6\uff0c\u53ef\u80fd\u4f1a\u4e0d\u5c0f\u5fc3\u5728\u6570\u636e\u524d\u52a0\u4e0a\u7a7a\u683c\u3002lstrip()<\/code>\u53ef\u4ee5\u5e2e\u52a9\u53bb\u9664\u8fd9\u4e9b\u4e0d\u5fc5\u8981\u7684\u7a7a\u683c\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u51c6\u786e\u6027\u3002<\/p>\n<\/p>\n
user_input = "    123456"<\/p>\n
clean_input = user_input.lstrip()<\/p>\n
print(clean_input)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u793a\u4f8b\u548c\u5e94\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230lstrip()<\/code>\u65b9\u6cd5\u5728\u4e91\u8ba1\u7b97\u5f00\u53d1\u4e2d\u7684\u5e7f\u6cdb\u7528\u9014\u548c\u5b9e\u9645\u4ef7\u503c\u3002\u638c\u63e1\u5b83\uff0c\u5c06\u6709\u52a9\u4e8e\u63d0\u5347\u6211\u4eec\u7684\u6570\u636e\u5904\u7406\u80fd\u529b\u548c\u5f00\u53d1\u6548\u7387\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
1. \u4e91\u8ba1\u7b97\u5f00\u53d1\u4e2d\u5982\u4f55\u4f7f\u7528Python3\u7684lstrip()\u65b9\u6cd5\u6765\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u8fb9\u7684\u7a7a\u683c\uff1f<\/strong><\/p>\n
\u5728\u4e91\u8ba1\u7b97\u5f00\u53d1\u4e2d\uff0c\u4f7f\u7528Python3\u7684lstrip()\u65b9\u6cd5\u53ef\u4ee5\u8f7b\u677e\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u8fb9\u7684\u7a7a\u683c\u3002\u8be5\u65b9\u6cd5\u53ef\u4ee5\u88ab\u5e94\u7528\u4e8e\u5b57\u7b26\u4e32\u5bf9\u8c61\u3002\u53ea\u9700\u5c06\u8981\u5904\u7406\u7684\u5b57\u7b26\u4e32\u4f20\u9012\u7ed9lstrip()\u65b9\u6cd5\u5373\u53ef\uff0c\u8be5\u65b9\u6cd5\u4f1a\u8fd4\u56de\u53bb\u9664\u5de6\u8fb9\u7a7a\u683c\u540e\u7684\u65b0\u5b57\u7b26\u4e32\u3002\u8fd9\u5728\u5904\u7406\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e0a\u7684\u8f93\u5165\u6570\u636e\u65f6\u975e\u5e38\u6709\u7528\uff0c\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n
2. \u5982\u4f55\u5728\u4e91\u8ba1\u7b97\u5f00\u53d1\u4e2d\u5229\u7528Python3\u7684lstrip()\u65b9\u6cd5\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u8fb9\u7684\u7279\u5b9a\u5b57\u7b26\uff1f<\/strong><\/p>\n
Python3\u7684lstrip()\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u8fb9\u7684\u7a7a\u683c\uff0c\u8fd8\u53ef\u4ee5\u53bb\u9664\u5176\u4ed6\u6307\u5b9a\u7684\u5b57\u7b26\u3002\u8fd9\u5728\u5904\u7406\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e0a\u7684\u6570\u636e\u65f6\u975e\u5e38\u5b9e\u7528\uff0c\u4f8b\u5982\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u8fb9\u7684\u5236\u8868\u7b26\u3001\u6362\u884c\u7b26\u7b49\u7279\u6b8a\u7b26\u53f7\u3002\u53ea\u9700\u5c06\u8981\u88ab\u79fb\u9664\u7684\u5b57\u7b26\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9lstrip()\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u4f1a\u5728\u53bb\u9664\u5de6\u8fb9\u7a7a\u683c\u7684\u540c\u65f6\u628a\u8fd9\u4e9b\u5b57\u7b26\u4e5f\u53bb\u9664\u6389\u3002<\/p>\n
3. \u6211\u5982\u4f55\u5728\u4e91\u8ba1\u7b97\u5f00\u53d1\u4e2d\u4f7f\u7528Python3\u7684lstrip()\u65b9\u6cd5\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u8fb9\u7684\u591a\u4e2a\u8fde\u7eed\u5b57\u7b26\uff1f<\/strong><\/p>\n
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