{"id":204366,"date":"2025-05-29T13:51:23","date_gmt":"2025-05-29T05:51:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204366\/"},"modified":"2025-05-29T13:51:23","modified_gmt":"2025-05-29T05:51:23","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e5%9c%a8-python-%e4%bb%a3%e7%a0%81%e4%b8%ad%e5%8f%8d%e5%a4%8d%e8%b0%83%e7%94%a8-f1-readlines-%e4%bc%9a%e5%af%bc%e8%87%b4-list-index-out-of-range-%e9%94%99","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204366\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u5728 Python \u4ee3\u7801\u4e2d\u53cd\u590d\u8c03\u7528 `f1.readlines()` \u4f1a\u5bfc\u81f4 \\&#8221;list index out of range\\&#8221; \u9519\u8bef\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4e3a\u4ec0\u4e48\u5728 Python \u4ee3\u7801\u4e2d\u53cd\u590d\u8c03\u7528 `f1.readlines()` \u4f1a\u5bfc\u81f4 \\&#8221;list index out of range\\&#8221; \u9519\u8bef\uff1f<\/h1>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u4e3a\u4ec0\u4e48\u5728 Python \u4ee3\u7801\u4e2d\u53cd\u590d\u8c03\u7528 `f1.readlines()` \u4f1a\u5bfc\u81f4 \\&#8221;list index out of range\\&#8221; \u9519\u8bef\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241105\/1730808399672a0a4f6dbf6.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>&#8220;list index out of range&#8221;\u9519\u8bef\u7684\u89e3\u6790<\/strong><\/p>\n<p>\u5728\u7ed9\u5b9a\u7684\u4ee3\u7801\u4e2d\uff0c\u51fa\u73b0 &#8220;list index out of range&#8221; \u9519\u8bef\uff0c\u5b83\u7684\u539f\u56e0\u662ff1.readlines()\u51fd\u6570\u88ab\u591a\u6b21\u8c03\u7528\u3002<\/p>\n<p>f1.readlines()\u7528\u4e8e\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u884c\u5e76\u5c06\u5176\u4f5c\u4e3a\u4e00\u4e2a\u5217\u8868\u8fd4\u56de\u3002\u5f53\u4f60\u7b2c\u4e00\u6b21\u8c03\u7528f1.readlines()\u65f6\uff0c\u5b83\u4f1a\u5c06\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u884c\u52a0\u8f7d\u5230\u5217\u8868\u4e2d\u3002\u7136\u800c\uff0c\u5f53\u4f60\u7b2c\u4e8c\u6b21\u8c03\u7528f1.readlines()\u65f6\uff0c\u8be5\u5217\u8868\u5df2\u7ecf\u4e3a\u7a7a\uff0c\u56e0\u4e3a\u6240\u6709\u884c\u90fd\u5df2\u8bfb\u53d6\u3002<\/p>\n<p>\u5728\u4ee3\u7801\u4e2d\uff0c<\/p>\n<ul>\n<li>\u7b2c\u4e00\u6b21f1.readlines()\u8fd4\u56de[&#8220;lk&#8221;, &#8220;123&#8221;]\u3002<\/li>\n<li>\u7b2c\u4e8c\u6b21f1.readlines()\u8fd4\u56de[]\uff0c\u8fd9\u662f\u4e00\u4e2a\u7a7a\u5217\u8868\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u5f53\u6267\u884c print(f1.readlines()[0])\u65f6\uff0c\u5b83\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\uff0c\u56e0\u4e3a\u7d22\u5f150\u5bf9\u5e94\u4e8e\u5217\u8868\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002\u4f46\u662f\uff0c\u5f53\u6267\u884cprint(f1.readlines()[0], type(f1.readlines()[0]))\u65f6\uff0c\u5b83\u4f1a\u8bd5\u56fe\u8bbf\u95ee\u7a7a\u5217\u8868\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u4ece\u800c\u5f15\u53d1 &#8220;list index out of range&#8221; \u9519\u8bef\u3002<\/p>\n<p>\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u53ef\u4ee5\u5c06 f1.readlines() \u7684\u7ed3\u679c\u5b58\u50a8\u5728\u4e00\u4e2a\u53d8\u91cf\u4e2d\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>lines = f1.readlines()\nprint(lines[0], type(lines[0]))<\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0clines\u53d8\u91cf\u5c06\u4fdd\u5b58 [&#8220;lk&#8221;, &#8220;123&#8221;] \u5217\u8868\uff0c\u5e76\u4e14\u53ef\u4ee5\u591a\u6b21\u8bbf\u95ee\u5b83\u7684\u5143\u7d20\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u4e3a\u4ec0\u4e48\u5728 Python \u4ee3\u7801\u4e2d\u53cd\u590d\u8c03\u7528 `f1.readlines()` \u4f1a\u5bfc\u81f4 \\&#8221;list index out of range\\&#8221; \u9519\u8bef\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4ec0\u4e48\u5728 Python \u4ee3\u7801\u4e2d\u53cd&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204366","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204366"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204366\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}