{"id":204405,"date":"2025-05-29T14:06:20","date_gmt":"2025-05-29T06:06:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204405\/"},"modified":"2025-05-29T14:06:20","modified_gmt":"2025-05-29T06:06:20","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88-python-%e4%bb%a3%e7%a0%81%e4%b8%ad%e8%ae%bf%e9%97%ae%e5%88%97%e8%a1%a8%e5%85%83%e7%b4%a0%e6%97%b6%e4%bc%9a%e5%bc%95%e5%8f%91%e7%b4%a2%e5%bc%95%e8%b6%85%e5%87%ba%e8%8c%83","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204405\/","title":{"rendered":"\u4e3a\u4ec0\u4e48 Python \u4ee3\u7801\u4e2d\u8bbf\u95ee\u5217\u8868\u5143\u7d20\u65f6\u4f1a\u5f15\u53d1\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u9519\u8bef\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4e3a\u4ec0\u4e48 Python \u4ee3\u7801\u4e2d\u8bbf\u95ee\u5217\u8868\u5143\u7d20\u65f6\u4f1a\u5f15\u53d1\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u9519\u8bef\uff1f<\/h1>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u4e3a\u4ec0\u4e48 Python \u4ee3\u7801\u4e2d\u8bbf\u95ee\u5217\u8868\u5143\u7d20\u65f6\u4f1a\u5f15\u53d1\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u9519\u8bef\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241106\/1730902007672b77f7b8fe4.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5173\u4e8e python \u4e2d\u7684\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u95ee\u9898<\/strong><\/p>\n<p>\u5982\u95ee\u9898\u63cf\u8ff0\u6240\u793a\uff0c\u7ed9\u5b9a\u4e86\u4e00\u6bb5 python \u4ee3\u7801\u5f15\u53d1\u4e86\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u7684\u9519\u8bef\u3002\u7136\u800c\uff0c\u4ee3\u7801\u663e\u793a\u5217\u8868\u662f\u4ece 0 \u5f00\u59cb\u8ba1\u6570\u7684\uff0c\u8fd9\u4e0e\u9884\u671f\u7684\u884c\u4e3a\u76f8\u77db\u76fe\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u4ed4\u7ec6\u770b\u4e00\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>fruits = [\"apple\", \"banana\", \"cherry\", \"durian\"]\nprint(fruits[len(fruits)])<\/pre>\n<p>\u5217\u8868 fruits \u6709\u56db\u4e2a\u5143\u7d20\uff0c\u56e0\u6b64 len(fruits) \u8fd4\u56de 4\u3002\u7136\u800c\uff0c\u4ee3\u7801\u8bd5\u56fe\u8bbf\u95ee\u7d22\u5f15\u4e3a 4 \u7684\u5143\u7d20\uff0c\u8fd9\u8d85\u51fa\u4e86\u5217\u8868\u7684\u6709\u6548\u7d22\u5f15\u8303\u56f4\u3002\u5217\u8868\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u6700\u540e\u4e00\u4e2a\u6709\u6548\u7d22\u5f15\u4e3a len(fruits) &#8211; 1\uff0c\u5728\u672c\u4f8b\u4e2d\u4e3a 3\u3002<\/p>\n<p>\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u53ef\u4ee5\u5c06\u4ee3\u7801\u4fee\u6539\u4e3a\uff1a<\/p>\n<pre>print(fruits[len(fruits) - 1])<\/pre>\n<p>\u8fd9\u5c06\u6253\u5370\u5217\u8868\u4e2d\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff0c\u5373 &#8220;durian&#8221;\u3002\u901a\u8fc7\u4ece len(fruits) \u4e2d\u51cf\u53bb 1\uff0c\u6211\u4eec\u53ef\u4ee5\u8bbf\u95ee\u5217\u8868\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff0c\u5b83\u59cb\u7ec8\u662f\u6700\u540e\u4e00\u4e2a\u6709\u6548\u7d22\u5f15\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u4e3a\u4ec0\u4e48 Python \u4ee3\u7801\u4e2d\u8bbf\u95ee\u5217\u8868\u5143\u7d20\u65f6\u4f1a\u5f15\u53d1\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\u9519\u8bef\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4ec0\u4e48 Python \u4ee3\u7801\u4e2d\u8bbf\u95ee&#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-204405","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204405","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=204405"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204405\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}