{"id":1805,"date":"2020-08-27T22:45:39","date_gmt":"2020-08-27T14:45:39","guid":{"rendered":"http:\/\/blog.ywdevops.cn\/?p=1805"},"modified":"2025-02-19T18:28:33","modified_gmt":"2025-02-19T10:28:33","slug":"python-2","status":"publish","type":"post","link":"https:\/\/blog.ywdevops.cn\/index.php\/2020\/08\/27\/python-2\/","title":{"rendered":"python\u5b57\u7b26\u4e32"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728Python\u4e2d\uff0c\u5b57\u7b26\u4e32\u53ef\u4ee5\u4f7f\u7528\u5355\u5f15\u53f7(&#8216; &#8216;)\u3001\u53cc\u5f15\u53f7(&#8221; &#8220;)\u3001\u4e09\u5f15\u53f7(&#8220;&#8221;&#8221; &#8220;&#8221;&#8221;\u6216\u8005&#8221;&#8217; &#8221;&#8217;)\u5305\u56f4\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b&#8221;&#8221;&#8221;\u6216\u8005&#8221;&#8217;\u7528\u6765\u8fdb\u884c\u591a\u884c\u6ce8\u91ca\uff0c\u5e76\u4e14\u53ef\u4ee5\u8de8\u884c\uff0c\u56e0\u6b64\u5177\u4f53\u4f7f\u7528\u5355\u5f15\u53f7\u8fd8\u662f\u53cc\u5f15\u53f7\u53ef\u6839\u636e\u81ea\u5df1\u559c\u597d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e09\u5f15\u53f7\u58f0\u660e\u7684\u5b57\u7b26\u4e32\u662f\u53ef\u4ee5\u8de8\u884c\u7684\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"689\" height=\"198\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/5-4.jpg\" alt=\"\" class=\"wp-image-16101\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/5-4.jpg 689w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/5-4-300x86.jpg 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/5-4-600x172.jpg 600w\" sizes=\"auto, (max-width: 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src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/4-4.jpg\" alt=\"\" class=\"wp-image-16092\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/4-4.jpg 692w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/4-4-300x34.jpg 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/4-4-600x68.jpg 600w\" sizes=\"auto, (max-width: 692px) 100vw, 692px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u53ef\u4ee5\u901a\u8fc7\u7eed\u884c\u7b26\u201c\\\u201d\u6765\u5b9e\u73b0\u6362\u884c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"653\" height=\"99\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-14_182606_524.png\" alt=\"\" class=\"wp-image-17845\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-14_182606_524.png 653w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-14_182606_524-300x45.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-14_182606_524-600x91.png 600w\" sizes=\"auto, (max-width: 653px) 100vw, 653px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e00\u3001\u62fc\u63a5\u5b57\u7b26\u4e32<\/strong>\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u4f7f\u7528&#8221;+&#8221;\u8fd0\u7b97\u7b26\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u5b57\u7b26\u4e32\u7684\u62fc\u63a5\uff0c\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u62fc\u63a5\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5c06\u5b57\u7b26\u4e32var\u4e0e\u5b57\u7b26\u4e32var1\u8fdb\u884c\u8fde\u63a5\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"113\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/14.png\" alt=\"\" class=\"wp-image-1810\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/14.png 501w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/14-300x68.png 300w\" sizes=\"auto, (max-width: 501px) 100vw, 501px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u7b26\u4e32\u4e0d\u53ef\u4ee5\u4e0e\u5176\u4ed6\u7c7b\u578b\u6570\u636e\u8fdb\u884c\u8fde\u63a5\uff0c\u53ea\u80fd\u4e0e\u5b57\u7b26\u4e32\u7c7b\u578b\u8fdb\u884c\u8fde\u63a5\uff0c\u5426\u5219\u5c06\u4f1a\u62a5\u9519\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"129\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/15.png\" alt=\"\" class=\"wp-image-1811\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/15.png 500w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/15-300x77.png 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src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/17.png\" alt=\"\" class=\"wp-image-1813\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/17.png 508w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/17-300x65.png 300w\" sizes=\"auto, (max-width: 508px) 100vw, 508px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6253\u5370\u7ed3\u679c\u5982\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"502\" height=\"105\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/5.png\" alt=\"\" class=\"wp-image-1815\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/5.png 502w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/5-300x63.png 300w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/><\/figure>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background 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https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/2-2-600x164.jpg 600w\" sizes=\"auto, (max-width: 694px) 100vw, 694px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"691\" height=\"136\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/3-4.jpg\" alt=\"\" class=\"wp-image-16046\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/3-4.jpg 691w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/3-4-300x59.jpg 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2024\/01\/3-4-600x118.jpg 600w\" sizes=\"auto, (max-width: 691px) 100vw, 691px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\uff1a\u5982\u679c\u5c06\u4e0a\u8ff0{a}\u548c{b}\u8c03\u6362\uff0c\u5c06\u6253\u5370\u51faworld 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srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/6-1.png 501w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/6-1-300x61.png 300w\" sizes=\"auto, (max-width: 501px) 100vw, 501px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6709\u7684\u65f6\u5019\u9700\u8981\u83b7\u53d6\u5b57\u7b26\u4e32\u5b9e\u9645\u6240\u5360\u7528\u7684\u5b57\u8282\uff0c\u6b64\u65f6\u53ef\u4ee5\u901a\u8fc7encode()\u65b9\u6cd5\uff0c\u8fdb\u884c\u7f16\u7801\u540e\u518d\u83b7\u53d6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u83b7\u53d6\u901a\u8fc7utf-8\u7f16\u7801\u7684\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"112\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/7-1.png\" alt=\"\" class=\"wp-image-1818\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/7-1.png 501w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/7-1-300x67.png 300w\" sizes=\"auto, (max-width: 501px) 100vw, 501px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u83b7\u53d6\u901a\u8fc7gbk\u7f16\u7801\u7684\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"502\" height=\"103\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/8-1.png\" alt=\"\" class=\"wp-image-1819\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/8-1.png 502w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/8-1-300x62.png 300w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e09\u3001\u622a\u53d6\u5b57\u7b26\u4e32\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u7b26\u4e32\u5c5e\u4e8e\u5e8f\u5217\uff0c\u5982\u679c\u8981\u622a\u53d6\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u901a\u8fc7\u5207\u7247\u7684\u5f62\u5f0f\u5b9e\u73b0\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">string[start : end : step]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>string:\u8868\u793a\u8981\u88ab\u622a\u53d6\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n\n\n\n<li>start:\u8868\u793a\u622a\u53d6\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u7d22\u5f15(\u5305\u62ec\u8be5\u5b57\u7b26)\uff0c\u4e0d\u6307\u5b9a\u9ed8\u8ba4\u4e3a0<\/li>\n\n\n\n<li>end:\u8868\u793a\u622a\u53d6\u7684\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u7d22\u5f15(\u4e0d\u5305\u62ec\u8be5\u5b57\u7b26)\uff0c\u4e0d\u6307\u5b9a\u9ed8\u8ba4\u4e3a\u5b57\u7b26\u4e32\u957f\u5ea6<\/li>\n\n\n\n<li>step:\u8868\u793a\u5207\u7247\u7684\u6b65\u957f\uff0c\u4e0d\u6307\u5b9a\u9ed8\u8ba4\u4e3a1\uff0c\u5982\u679c\u7701\u7565\u6700\u540e\u4e00\u4e2a\u5192\u53f7\u4e5f\u53ef\u4ee5\u7701\u7565<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u901a\u8fc7\u5207\u7247\u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"499\" height=\"183\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/9-1.png\" alt=\"\" class=\"wp-image-1820\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/9-1.png 499w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/9-1-300x110.png 300w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u622a\u53d6\u5b57\u7b26\u4e32\u7684\u65f6\u5019\uff0c\u5982\u679c\u6307\u5b9a\u7684\u7d22\u5f15\u4e0d\u5b58\u5728\uff0c\u5c06\u4f1a\u629b\u51fa\u5f02\u5e38\uff0c\u6b64\u65f6\u53ef\u4ee5\u901a\u8fc7try&#8230;except\u6765\u6355\u83b7\u5f02\u5e38\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"503\" height=\"118\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/10-1.png\" alt=\"\" class=\"wp-image-1821\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/10-1.png 503w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/10-1-300x70.png 300w\" sizes=\"auto, (max-width: 503px) 100vw, 503px\" \/><\/figure>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background wp-block-paragraph\">\u6ce8\u610f\uff1a\u5b57\u7b26\u4e32\u7684\u7d22\u5f15\u540c\u5e8f\u5217\u7684\u7d22\u5f15\u4e00\u6837\uff0c\u4e5f\u662f\u4ece0\u5f00\u59cb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u56db\u3001\u5206\u5272\u5408\u5e76\u5b57\u7b26\u4e32\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728Python\u4e2d\uff0c\u5206\u5272\u5b57\u7b26\u4e32\u662f\u5c06\u5b57\u7b26\u4e32\u5206\u5272\u4e3a\u5217\u8868\uff0c\u5408\u5e76\u5b57\u7b26\u4e32\u662f\u5c06\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u7b26\u4e32\uff0c\u5206\u5272\u5b57\u7b26\u4e32\u548c\u5408\u5e76\u5b57\u7b26\u4e32\u53ef\u4ee5\u770b\u4f5c<strong>\u4e92\u9006\u8fc7\u7a0b<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u5206\u5272\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7split()\u65b9\u6cd5\u6765\u5b9e\u73b0\u5206\u5272\u5b57\u7b26\u4e32\uff0c\u6309\u7167\u6307\u5b9a\u7684\u5206\u9694\u7b26\u5206\u5272\u4e3a\u5b57\u7b26\u4e32\u5217\u8868\uff0c\u5728\u8be5\u5217\u8868\u7684\u5143\u7d20\u4e2d\u4e0d\u5305\u62ec\u8be5\u5206\u9694\u7b26\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">str.split(sep,maxsplit)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>str:\u8868\u793a\u8981\u5206\u5272\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n\n\n\n<li>sep:\u6307\u5b9a\u5206\u9694\u7b26\uff0c\u53ef\u4ee5\u5305\u62ec\u591a\u4e2a\u5b57\u7b26\uff0c\u9ed8\u8ba4\u4e3aNone\uff0c\u5373\u6240\u6709\u7a7a\u5b57\u7b26(\u7a7a\u683c\u3001\u6362\u884c\\n,\u5236\u8868\u7b26\\t)<\/li>\n\n\n\n<li>maxsplit\uff1a\u6307\u5b9a\u5206\u5272\u6b21\u6570\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u6216\u8005\u6307\u5b9a\u4e3a-1,\u8868\u793a\u5206\u5272\u6b21\u6570\u4e0d\u9650\uff0c\u5426\u5219\u8fd4\u56de\u7ed3\u679c\u5217\u8868\u7684\u5143\u7d20\u4e2a\u6570\uff0c\u6700\u5927\u4e3amaxsplit+1<\/li>\n\n\n\n<li>\u8fd4\u56de\u503c\uff1a\u5206\u5272\u540e\u7684\u5b57\u7b26\u4e32\u5217\u8868\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background wp-block-paragraph\">\u6ce8\u610f\uff1a\u5982\u679c\u4e0d\u6307\u5b9asep\uff0c\u4e5f\u4e0d\u53ef\u4ee5\u6307\u5b9amaxsplit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5b9a\u4e49\u5b57\u7b26\u4e32var\uff0c\u5e76\u901a\u8fc7\u5206\u9694\u7b26\u8fdb\u884c\u5206\u5272\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"505\" height=\"346\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/11-2.png\" alt=\"\" class=\"wp-image-1823\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/11-2.png 505w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/11-2-300x206.png 300w\" sizes=\"auto, (max-width: 505px) 100vw, 505px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"719\" height=\"222\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/12-2.png\" alt=\"\" class=\"wp-image-1824\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/12-2.png 719w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/12-2-300x93.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/12-2-600x185.png 600w\" sizes=\"auto, (max-width: 719px) 100vw, 719px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u56fe\u4e2d\u6700\u540e\u4e00\u884c\u8868\u793a\u5206\u5272\u4e24\u6b21\uff0c\u90a3\u4e48\u5b9e\u9645\u5217\u8868\u4e2d\u7684\u5143\u7d20\u4e2a\u6570\u5c31\u662f\u4e09\u4e2a<\/p>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background wp-block-paragraph\">\u6ce8\u610f\uff1a\u5728\u4f7f\u7528split()\u65f6\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u5206\u9694\u7b26\uff0c\u9ed8\u8ba4\u91c7\u7528\u7a7a\u767d\u7b26\u8fdb\u884c\u5206\u5272\uff0c\u90a3\u4e48\u65e0\u8bba\u6709\u51e0\u4e2a\u7a7a\u683c\uff0c\u51e0\u4e2a\u7a7a\u767d\u7b26\uff0c\u90fd\u5c06\u4f5c\u4e3a\u5206\u9694\u7b26\u8fdb\u884c\u5206\u5272\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u5408\u5e76\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5408\u5e76\u5b57\u7b26\u4e32\u4e0e\u62fc\u63a5\u5b57\u7b26\u4e32\u4e0d\u540c\uff0c\u5408\u5e76\u5b57\u7b26\u4e32\u662f\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u91c7\u7528\u56fa\u5b9a\u7684\u5206\u9694\u7b26\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u5408\u5e76\u5b57\u7b26\u4e32\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u5bf9\u8c61\u7684join()\u65b9\u6cd5\u5b9e\u73b0\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">strnew = string.join(iterable)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>strnew:\u8868\u793a\u5408\u5e76\u540e\u65b0\u751f\u6210\u7684\u5b57\u7b26\u4e32<\/li>\n\n\n\n<li>string:\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u7528\u4e8e\u6307\u5b9a\u5408\u5e76\u65f6\u7684\u5206\u9694\u7b26<\/li>\n\n\n\n<li>iterable\uff1a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff0c\u5176\u4e2d\u7684\u6240\u6709\u5143\u7d20\u5c06\u88ab\u5408\u5e76\u4e3a\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5b9a\u4e49\u4e00\u4e2a\u5217\u8868\uff0c\u5e76\u5c06\u5217\u8868\u4e2d\u5143\u7d20\u5408\u5e76\u4e3a\u5b57\u7b26\u4e32\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"503\" height=\"140\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/13-2.png\" alt=\"\" class=\"wp-image-1826\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/13-2.png 503w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/13-2-300x83.png 300w\" sizes=\"auto, (max-width: 503px) 100vw, 503px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"499\" height=\"77\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/14-1.png\" alt=\"\" class=\"wp-image-1827\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/14-1.png 499w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/14-1-300x46.png 300w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e94\u3001\u68c0\u7d22\u5b57\u7b26\u4e32\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001count()\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">count()\u65b9\u6cd5\u7528\u4e8e\u68c0\u7d22\u6307\u5b9a\u5b57\u7b26\u4e32\u5728\u53e6\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u5982\u679c\u68c0\u7d22\u7684\u5b57\u7b26\u4e32\u4e0d\u5b58\u5728\uff0c\u8fd4\u56de0\uff0c\u5982\u679c\u5b58\u5728\u8fd4\u56de\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">str.count(sub[, start[, end]]) <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>str:\u8868\u793a\u539f\u5b57\u7b26\u4e32<\/li>\n\n\n\n<li>sub:\u8868\u793a\u8981\u68c0\u7d22\u7684\u5b50\u5b57\u7b26\u4e32<\/li>\n\n\n\n<li>start:\u53ef\u9009\uff0c\u8868\u793a\u68c0\u7d22\u7684\u8d77\u59cb\u4f4d\u7f6e\u7d22\u5f15\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u4ece\u5934\u5f00\u59cb<\/li>\n\n\n\n<li>end:\u53ef\u9009\uff0c\u8868\u793a\u68c0\u7d22\u4f4d\u7f6e\u7684\u7ed3\u675f\u7d22\u5f15\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u5219\u68c0\u7d22\u5230\u6700\u540e<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5b9a\u4e49\u5b57\u7b26\u4e32var,\u5e76\u6253\u5370\u5b57\u7b26\u4e32\u4e2d\u9017\u53f7\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"495\" height=\"104\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/15-1.png\" alt=\"\" class=\"wp-image-1828\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/15-1.png 495w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/15-1-300x63.png 300w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001find()\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u4e8e\u68c0\u7d22\u662f\u5426\u5305\u542b\u6307\u5b9a\u7684\u5b57\u7b26\u4e32\uff0c\u5982\u679c\u68c0\u7d22\u7684\u5b57\u7b26\u4e32\u4e0d\u5b58\u5728\u8fd4\u56de-1\uff0c\u5426\u5219\u8fd4\u56de\u9996\u6b21\u51fa\u73b0\u8be5\u5b50\u5b57\u7b26\u4e32\u65f6\u5019\u7684\u7d22\u5f15\u3002\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">str.find(sub[, start[, end]])         \/\/\u53c2\u6570\u8bf4\u660e\u8ddfcount()\u4e00\u6837<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5b9a\u4e49\u5b57\u7b26\u4e32var,\u67e5\u627e\u9017\u53f7\u9996\u6b21\u51fa\u73b0\u7684\u7d22\u5f15\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"502\" height=\"113\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/16-1.png\" alt=\"\" class=\"wp-image-1829\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/16-1.png 502w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/16-1-300x68.png 300w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/><\/figure>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background wp-block-paragraph\">\u6ce8\u610f\uff1a\u5982\u679c\u53ea\u662f\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u5b58\u5728\uff0c\u53ef\u4ee5\u4f7f\u7528in\u5173\u952e\u5b57\u5b9e\u73b0\uff0c\u4f8b\u5982\u4e0a\u56fe\u4e2d\u5224\u65ad\u9017\u53f7\u662f\u5426\u5728\u5b57\u7b26\u4e32str\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528print(&#8216;,&#8217;in str)\uff0c\u5982\u679c\u5b58\u5728\u8fd4\u56detrue\uff0c\u5426\u5219\u8fd4\u56defalse,\u4e5f\u53ef\u4ee5\u6839\u636efind()\u8fd4\u56de\u503c\u662f\u5426\u5927\u4e8e-1\u6765\u5224\u65ad\uff0cpython\u4e2d\u8fd8\u63d0\u4f9b\u4e86rfind()\u65b9\u6cd5\uff0c\u4f5c\u7528\u4e0efind()\u65b9\u6cd5\u76f8\u540c\uff0c\u53ea\u662f\u4ece\u53f3\u4fa7\u5f00\u59cb\u67e5\u627e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3\u3001index()\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">index()\u65b9\u6cd5\u4e0efind()\u65b9\u6cd5\u76f8\u4f3c\uff0c\u68c0\u7d22\u6307\u5b9a\u5b57\u7b26\u4e32\u9996\u6b21\u51fa\u73b0\u7684\u7d22\u5f15\uff0c\u53ea\u662f\u901a\u8fc7index()\u68c0\u7d22\u5b57\u7b26\u4e32\u7684\u65f6\u5019\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5c06\u629b\u51fa\u5f02\u5e38\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">str.index(sub[, start[, end]])       \/\/\u53c2\u6570\u8bf4\u660e\u4e0e\u4e0a\u6587\u76f8\u540c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5b9a\u4e49\u5b57\u7b26\u4e32var\uff0c\u901a\u8fc7index()\u68c0\u7d22\u9017\u53f7\u9996\u6b21\u51fa\u73b0\u7684\u7d22\u5f15\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"502\" height=\"110\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/17-1.png\" alt=\"\" class=\"wp-image-1831\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/17-1.png 502w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/17-1-300x66.png 300w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/><\/figure>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background wp-block-paragraph\">Python\u4e2d\u8fd8\u63d0\u4f9b\u4e86rindex()\u65b9\u6cd5\uff0c\u7528\u4e8e\u4ece\u53f3\u4fa7\u5f00\u59cb\u67e5\u627e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4\u3001startswith()\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u4e8e\u68c0\u7d22\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u6307\u5b9a\u7684\u5b50\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5982\u679c\u662f\u8fd4\u56deTrue\uff0c\u5426\u5219\u8fd4\u56defalse\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">str.startswith(prefix[, start[, end]])<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u6570\u8bf4\u660e\uff1aprefix\u8868\u793a\u68c0\u7d22\u7684\u5b50\u5b57\u7b26\u4e32\uff0c\u5176\u4f59\u53c2\u6570\u4e0e\u4e0a\u6587\u76f8\u540c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5b9a\u4e49\u5b57\u7b26\u4e32\uff0c\u68c0\u7d22\u662f\u5426\u4ee5\u6307\u5b9a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"508\" height=\"120\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/18-1.png\" alt=\"\" class=\"wp-image-1832\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/18-1.png 508w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/18-1-300x71.png 300w\" sizes=\"auto, (max-width: 508px) 100vw, 508px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"94\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/19-1.png\" alt=\"\" class=\"wp-image-1833\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/19-1.png 501w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/19-1-300x56.png 300w\" sizes=\"auto, (max-width: 501px) 100vw, 501px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">5\u3001endswith()\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u4e8e\u68c0\u7d22\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u6307\u5b9a\u7684\u5b50\u5b57\u7b26\u4e32\u4e3a\u7ed3\u5c3e\uff0c\u5982\u679c\u662f\u8fd4\u56deTrue\uff0c\u5982\u679c\u4e0d\u662f\u8fd4\u56defalse,\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">str.endswith(suffix[,start[,end]])<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>str\uff1a\u8868\u793a\u539f\u5b57\u7b26\u4e32<\/li>\n\n\n\n<li>suffix\uff1a\u8868\u793a\u8981\u68c0\u7d22\u7684\u5b57\u7b26\u4e32<\/li>\n\n\n\n<li>start:\u53ef\u9009\u53c2\u6570\uff0c\u8868\u793a\u68c0\u7d22\u8303\u56f4\u8d77\u59cb\u4f4d\u7f6e\u7684\u7d22\u5f15\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u5219\u4ece\u5934\u5f00\u59cb<\/li>\n\n\n\n<li>end:\u53ef\u9009\u53c2\u6570\uff0c\u8868\u793a\u68c0\u7d22\u8303\u56f4\u7ed3\u675f\u4f4d\u7f6e\u7684\u7d22\u5f15\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u5219\u68c0\u7d22\u5230\u7ed3\u5c3e<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5224\u65ad\u5b57\u7b26\u4e32str\u662f\u5426\u4ee5jie\u7ed3\u5c3e\uff0c\u5982\u679c\u662f\u8fd4\u56detrue\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"598\" height=\"118\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/23.png\" alt=\"\" class=\"wp-image-2064\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/23.png 598w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/23-300x59.png 300w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd4\u56de\u7ed3\u679c\u4e3aTrue\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"534\" height=\"86\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/24.png\" alt=\"\" class=\"wp-image-2065\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/24.png 534w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/24-300x48.png 300w\" sizes=\"auto, (max-width: 534px) 100vw, 534px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u516d\u3001\u5b57\u6bcd\u5927\u5c0f\u5199\u8f6c\u6362\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Python\u4e2d\u63d0\u4f9b\u4e86lower()\u548cupper()\u65b9\u6cd5\u8fdb\u884c\u5b57\u6bcd\u5927\u5c0f\u5199\u8f6c\u6362<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001lower()\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65b9\u6cd5\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5927\u5199\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5c0f\u5199\u5b57\u6bcd\uff0c\u5b57\u7b26\u4e32\u957f\u5ea6\u4e0d\u53d8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5c06\u5b57\u7b26\u4e32str\u4e2d\u7684\u5927\u5199\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5c0f\u5199\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"504\" height=\"123\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/3.png\" alt=\"\" class=\"wp-image-2067\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/3.png 504w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/3-300x73.png 300w\" sizes=\"auto, (max-width: 504px) 100vw, 504px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001upper()\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65b9\u6cd5\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5927\u5199\u5b57\u6bcd\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"503\" height=\"129\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/4.png\" alt=\"\" class=\"wp-image-2068\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/4.png 503w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/4-300x77.png 300w\" sizes=\"auto, (max-width: 503px) 100vw, 503px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e03\u3001\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u53f3\u4e24\u8fb9\u7a7a\u683c\u4ee5\u53ca\u7279\u6b8a\u5b57\u7b26\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728Python\u4e2d\u901a\u8fc7strip()\u65b9\u6cd5\u53ef\u4ee5\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u53f3\u4e24\u8fb9\u7a7a\u683c\u548c\u7279\u6b8a\u5b57\u7b26\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7lstrip()\u65b9\u6cd5\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u4fa7\u7684\u7a7a\u683c\u4ee5\u53ca\u7279\u6b8a\u5b57\u7b26\uff0c\u901a\u8fc7rstrip()\u65b9\u6cd5\u53bb\u9664\u5b57\u7b26\u4e32\u53f3\u4fa7\u7684\u5b57\u7b26\u4e32\u4ee5\u53ca\u7279\u6b8a\u5b57\u7b26\u3002<\/p>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background wp-block-paragraph\">\u6ce8\u610f\uff1a\u8fd9\u91cc\u7684\u7279\u6b8a\u5b57\u7b26\u662f\u53ea\u5236\u8868\u7b26\\t\uff0c\u56de\u8f66\u7b26\\r\uff0c\u6362\u884c\u7b26\\n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001strip()\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u4e8e\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u53f3\u4e24\u4fa7\u7684\u7a7a\u683c\u4ee5\u53ca\u7279\u6b8a\u5b57\u7b26\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">str.strip([chars])<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf4\u660e\u53c2\u6570\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>str\uff1a\u8868\u793a\u8981\u53bb\u9664\u7a7a\u683c\u4ee5\u53ca\u7279\u6b8a\u5b57\u7b26\u7684\u5b57\u7b26\u4e32<\/li>\n\n\n\n<li>chars\uff1a\u53ef\u9009\u53c2\u6570\uff0c\u5982\u679c\u8bbe\u7f6e\u4e3a@.  \uff0c\u90a3\u4e48\u5c06\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u53f3\u4e24\u4fa7\u7684@\u548c.  \u5982\u679c\u4e0d\u6307\u5b9a\uff0c\u90a3\u4e48\u5c06\u53bb\u9664\u5de6\u53f3\u4e24\u4fa7\u7684\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u56de\u8f66\u7b26\u3001\u6362\u884c\u7b26\u7b49<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5c06str\u5b57\u7b26\u4e32\u5de6\u53f3\u7684@\u548c. \u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"513\" height=\"104\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/5-2.png\" alt=\"\" class=\"wp-image-2071\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/5-2.png 513w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/5-2-300x61.png 300w\" sizes=\"auto, (max-width: 513px) 100vw, 513px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"515\" height=\"72\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/6-2.png\" alt=\"\" class=\"wp-image-2072\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/6-2.png 515w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/08\/6-2-300x42.png 300w\" sizes=\"auto, (max-width: 515px) 100vw, 515px\" \/><\/figure>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background wp-block-paragraph\">lstrip()\u548crstip()\u65b9\u6cd5\u7684\u4f7f\u7528\u65b9\u6cd5\u548cstrip()\u65b9\u6cd5\u4f7f\u7528\u4e00\u6837<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u516b\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u662f\u6307\u5148\u5236\u5b9a\u4e00\u4e2a\u6a21\u677f\uff0c\u5728\u8fd9\u4e2a\u6a21\u677f\u4e2d\u9884\u7559\u51e0\u4e2a\u7a7a\u4f4d\uff0c\u5728\u6839\u636e\u9700\u8981\u586b\u4e0a\u76f8\u5e94\u7684\u5185\u5bb9\uff0c\u8fd9\u4e9b\u7a7a\u4f4d\u9700\u8981\u901a\u8fc7\u6307\u5b9a\u7684\u7b26\u53f7\u8fdb\u884c\u6807\u8bb0(\u4e5f\u79f0\u4e3a\u5360\u4f4d\u7b26)\uff0c\u800c\u8fd9\u4e9b\u7b26\u53f7\u4e0d\u4f1a\u663e\u793a\u51fa\u6765\uff0c\u5728python\u4e2d\uff0c\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u6709\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u4f7f\u7528&#8221;%&#8221;\u64cd\u4f5c\u7b26(<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u5df2\u8fc7\u65f6<\/mark><\/strong>)\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8216;%[-][+][0][m][.n]\u683c\u5f0f\u5316\u5b57\u7b26\u4e32&#8217;%exp<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>-:\u53ef\u9009\u53c2\u6570\uff0c\u7528\u4e8e\u6307\u5b9a\u5de6\u5bf9\u9f50\uff0c\u6b63\u6570\u524d\u65b9\u65e0\u7b26\u53f7\uff0c\u8d1f\u6570\u524d\u65b9\u52a0\u8d1f\u53f7<\/li>\n\n\n\n<li>+\uff1a\u53ef\u9009\u53c2\u6570\uff0c\u7528\u4e8e\u6307\u5b9a\u53f3\u5bf9\u9f50\uff0c\u6b63\u6570\u524d\u65b9\u52a0\u6b63\u53f7\uff0c\u8d1f\u6570\u524d\u65b9\u52a0\u8d1f\u53f7<\/li>\n\n\n\n<li><\/li>\n<\/ol>\n\n\n\n<p class=\"has-luminous-vivid-amber-background-color has-background wp-block-paragraph\">\u6ce8\u610f\uff1a\u4f7f\u7528\u64cd\u4f5c\u7b26&#8221;%&#8221;\u662f \u8f83\u65e9\u671f\u7684\u505a\u6cd5\uff0c\u5728python2.6\u4e4b\u540e\u5df2\u7ecf\u53d8\u6210format()\u65b9\u5f0f\u6765\u8fdb\u884c\u683c\u5f0f\u5316\uff0c\u56e0\u6b64\u5efa\u8bae\u5b66\u4e60format()\u65b9\u5f0f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u4f7f\u7528format()\u65b9\u6cd5(<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u5efa\u8bae\u4f7f\u7528\u5728python3.5\u4ee5\u53ca\u4ee5\u4e0b<\/mark><\/strong>)\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>str.format()<\/code> \u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u3002\u5b83\u4f7f\u7528 <code>{}<\/code> \u4f5c\u4e3a\u5360\u4f4d\u7b26\uff0c\u5e76\u901a\u8fc7 <code>.format()<\/code> \u65b9\u6cd5\u66ff\u6362\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f <code>str.format()<\/code> \u7684\u8be6\u7ec6\u7528\u6cd5\u548c\u4e00\u4e9b\u9ad8\u7ea7\u7279\u6027\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u7b80\u5355\u7684\u5360\u4f4d\u7b26\u66ff\u6362<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"651\" height=\"125\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_150640_468.png\" alt=\"\" class=\"wp-image-17872\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_150640_468.png 651w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_150640_468-300x58.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_150640_468-600x115.png 600w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u6307\u5b9a\u6570\u5b57\u53c2\u6570\u987a\u5e8f<\/mark>\uff0c\u901a\u8fc70,1\u8fd9\u79cd\u6570\u5b57\u6307\u5b9a\uff0c\u4e0b\u9762\u5c31\u5c06arg2\u653e\u5728\u524d\u9762\u4e86\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"651\" height=\"121\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_150904_871.png\" alt=\"\" class=\"wp-image-17873\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_150904_871.png 651w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_150904_871-300x56.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_150904_871-600x112.png 600w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u6307\u5b9a\u5b57\u7b26\u4e32\u5173\u952e\u5b57\u53c2\u6570\u987a\u5e8f<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"655\" height=\"87\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_155203_338.png\" alt=\"\" class=\"wp-image-17877\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_155203_338.png 655w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_155203_338-300x40.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_155203_338-600x80.png 600w\" sizes=\"auto, (max-width: 655px) 100vw, 655px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u6570\u5b57\uff0c\u5c0f\u6570\u70b9\u7cbe\u5ea6\uff0c\u4fdd\u75592\u4f4d\u5c0f\u6570<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"651\" height=\"83\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_153927_976.png\" alt=\"\" class=\"wp-image-17876\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_153927_976.png 651w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_153927_976-300x38.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_153927_976-600x76.png 600w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\uff1a\u4e3a\u4ec0\u4e48&#8221;.2f&#8221;\u524d\u9762\u8981\u52a0\u5192\u53f7\uff1a\uff0c\u5728\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u65f6\uff0c<code>{}<\/code> \u5360\u4f4d\u7b26\u5185\u90e8\u7684\u5185\u5bb9\u53ef\u4ee5\u5206\u4e3a\u4e24\u90e8\u5206\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b57\u6bb5\u540d(\u53ef\u9009)\uff1a\u7528\u4e8e\u6307\u5b9a\u4f20\u9012\u7ed9 <code>.format()<\/code> \u65b9\u6cd5\u7684\u53c2\u6570\u7684\u7d22\u5f15\u6216\u5173\u952e\u5b57\uff0c\u6bd4\u5982\u4e0a\u9762\u76840\u6216\u8005name<\/li>\n\n\n\n<li><strong class=\"\">\u683c\u5f0f\u5316\u9009\u9879<\/strong>\uff1a\u7528\u4e8e\u63a7\u5236\u503c\u7684\u663e\u793a\u683c\u5f0f\uff08\u5982\u5c0f\u6570\u70b9\u7cbe\u5ea6\u3001\u5bbd\u5ea6\u3001\u5bf9\u9f50\u65b9\u5f0f\u7b49\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c<strong>\u5192\u53f7 <code>:<\/code><\/strong> \u7684\u4f5c\u7528\u662f\u5c06\u8fd9\u4e24\u90e8\u5206\u5206\u9694\u5f00\u3002\u5982\u679c\u6ca1\u6709\u5192\u53f7\uff0cPython \u4f1a\u5c06\u540e\u7eed\u5185\u5bb9\u89c6\u4e3a\u5b57\u6bb5\u540d\u7684\u4e00\u90e8\u5206\uff0c\u800c\u4e0d\u662f\u683c\u5f0f\u5316\u6307\u4ee4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u5343\u4f4d\u5206\u9694\u7b26<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"652\" height=\"95\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_160121_977.png\" alt=\"\" class=\"wp-image-17880\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_160121_977.png 652w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_160121_977-300x44.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_160121_977-600x87.png 600w\" sizes=\"auto, (max-width: 652px) 100vw, 652px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u767e\u5206\u6bd4<\/mark>\uff0c\u4fdd\u75592\u4f4d\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"649\" height=\"100\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_160408_568.png\" alt=\"\" class=\"wp-image-17881\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_160408_568.png 649w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_160408_568-300x46.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_160408_568-600x92.png 600w\" sizes=\"auto, (max-width: 649px) 100vw, 649px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u540e\u5de6\u5bf9\u9f50<\/mark>\uff0cbook\u5360\u75284\u4e2a\u5b57\u7b26\uff0c\u52a06\u4e2a\u7a7a\u683c\u4e00\u5b9a10\u4e2a\u5b57\u7b26\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"79\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_170358_851.png\" alt=\"\" class=\"wp-image-17886\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_170358_851.png 650w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_170358_851-300x36.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_170358_851-600x73.png 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u540e\u53f3\u5bf9\u9f50<\/mark>\uff0c10\u4e2a\u5b57\u7b26\uff0cbook\u5360\u75284\u4e2a\uff0c\u56e0\u6b64\u5de6\u4fa7\u662f6\u4e2a\u7a7a\u683c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"651\" height=\"83\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_161312_432.png\" alt=\"\" class=\"wp-image-17884\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_161312_432.png 651w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_161312_432-300x38.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_161312_432-600x76.png 600w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u540e\u5c45\u4e2d\u5bf9\u9f50<\/mark>\uff0cbook\u524d\u540e\u5404\u67093\u4e2a\u7a7a\u683c\uff0c\u4e00\u517110\u4e2a\u5b57\u7b26\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"651\" height=\"83\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_170235_369.png\" alt=\"\" class=\"wp-image-17885\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_170235_369.png 651w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_170235_369-300x38.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_170235_369-600x76.png 600w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u81ea\u5b9a\u4e49\u5b57\u7b26\u586b\u5145<\/mark>\uff0cbook\u5360\u75284\u4e2a\u5b57\u7b26\uff0c\u5176\u4f596\u4e2a\u4f7f\u7528*\u586b\u5145\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"77\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_172343_306.png\" alt=\"\" class=\"wp-image-17890\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_172343_306.png 650w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_172343_306-300x36.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_172343_306-600x71.png 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u65f6\u95f4<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"653\" height=\"107\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_173308_699.png\" alt=\"\" class=\"wp-image-17892\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_173308_699.png 653w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_173308_699-300x49.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_173308_699-600x98.png 600w\" sizes=\"auto, (max-width: 653px) 100vw, 653px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u5b57\u5178<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"96\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_173551_272.png\" alt=\"\" class=\"wp-image-17894\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_173551_272.png 650w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_173551_272-300x44.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_173551_272-600x89.png 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3\u3001\u4f7f\u7528f-string\u683c\u5f0f\u5316(python3.6\u5f00\u59cb\u5f15\u5165\u7684)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">f-string\uff08\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\uff09\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u4e14\u7b80\u6d01\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u3002\u5b83\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u524d\u52a0\u4e0a\u5b57\u6bcd <code>f<\/code> \u6216 <code>F<\/code>\uff0c\u5e76\u5728\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u5d4c\u5165\u53d8\u91cf\u6216\u8868\u8fbe\u5f0f\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u6548\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\uff0c\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>f\"\u5b57\u7b26\u4e32\u5185\u5bb9 {\u53d8\u91cf\u6216\u8868\u8fbe\u5f0f}\" \u6216\u8005 F\"\u5b57\u7b26\u4e32\u5185\u5bb9 {\u53d8\u91cf\u6216\u8868\u8fbe\u5f0f}\"  #f\u5927\u5c0f\u5199\u90fd\u884c<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u5d4c\u5165\u53d8\u91cf<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"651\" height=\"111\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175254_280.png\" alt=\"\" class=\"wp-image-17895\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175254_280.png 651w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175254_280-300x51.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175254_280-600x102.png 600w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u5d4c\u5165\u8868\u8fbe\u5f0f<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"648\" height=\"109\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175337_186.png\" alt=\"\" class=\"wp-image-17896\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175337_186.png 648w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175337_186-300x50.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175337_186-600x101.png 600w\" sizes=\"auto, (max-width: 648px) 100vw, 648px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u6570\u5b57<\/mark>\uff0c\u5c0f\u6570\u70b9\u7cbe\u5ea6\u4e3a2\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"647\" height=\"98\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175608_819.png\" alt=\"\" class=\"wp-image-17898\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175608_819.png 647w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175608_819-300x45.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175608_819-600x91.png 600w\" sizes=\"auto, (max-width: 647px) 100vw, 647px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u5343\u4f4d\u5206\u9694\u7b26<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"651\" height=\"104\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175706_101.png\" alt=\"\" class=\"wp-image-17899\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175706_101.png 651w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175706_101-300x48.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175706_101-600x96.png 600w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u767e\u5206\u6bd4<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"647\" height=\"97\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175757_099.png\" alt=\"\" class=\"wp-image-17901\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175757_099.png 647w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175757_099-300x45.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_175757_099-600x90.png 600w\" sizes=\"auto, (max-width: 647px) 100vw, 647px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u5de6\u5bf9\u9f50<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"649\" height=\"99\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_181828_086.png\" alt=\"\" class=\"wp-image-17903\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_181828_086.png 649w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_181828_086-300x46.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_181828_086-600x92.png 600w\" sizes=\"auto, (max-width: 649px) 100vw, 649px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u53f3\u5bf9\u9f50<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"114\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182124_876.png\" alt=\"\" class=\"wp-image-17904\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182124_876.png 650w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182124_876-300x53.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182124_876-600x105.png 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u5c45\u4e2d\u5bf9\u9f50<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"651\" height=\"96\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182337_886.png\" alt=\"\" class=\"wp-image-17906\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182337_886.png 651w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182337_886-300x44.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182337_886-600x88.png 600w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u81ea\u5b9a\u4e49\u586b\u5145\u5b57\u7b26<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"652\" height=\"98\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182518_197.png\" alt=\"\" class=\"wp-image-17907\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182518_197.png 652w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182518_197-300x45.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182518_197-600x90.png 600w\" sizes=\"auto, (max-width: 652px) 100vw, 652px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u683c\u5f0f\u5316\u65e5\u671f\u65f6\u95f4<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"120\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182650_974.png\" alt=\"\" class=\"wp-image-17908\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182650_974.png 650w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182650_974-300x55.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182650_974-600x111.png 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u591a\u884c\u5b57\u7b26\u4e32<\/mark>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"223\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182804_779.png\" alt=\"\" class=\"wp-image-17910\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182804_779.png 650w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182804_779-300x103.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2025\/02\/wechat_2025-02-19_182804_779-600x206.png 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Python\u4e2d\uff0c\u5b57\u7b26\u4e32\u53ef\u4ee5\u4f7f\u7528\u5355\u5f15\u53f7(&#8216; &#8216;)\u3001\u53cc\u5f15\u53f7(&#8221; &#038;#8220 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