{"id":172460,"date":"2023-07-31T15:41:12","date_gmt":"2023-07-31T07:41:12","guid":{"rendered":"http:\/\/www.idc.net\/help\/172460\/"},"modified":"2023-07-31T15:41:12","modified_gmt":"2023-07-31T07:41:12","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91python%e6%95%99%e7%a8%8b%ef%bc%9a%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8python%e4%b8%ad%e7%9a%84reduce%e5%87%bd%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/172460\/","title":{"rendered":"\u540e\u6d6a\u4e91Python\u6559\u7a0b\uff1a\u5982\u4f55\u4f7f\u7528python\u4e2d\u7684reduce\u51fd\u6570\uff1f"},"content":{"rendered":"<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/oss.py.cn\/pycn\/upload\/image\/668\/343\/835\/1606814215537743.png\" class=\"aligncenter\"><\/p>\n<p><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1;text-align: justify\">\u5373\u4fbf\u662f\u6ca1\u6709\u6df1\u5165\u4e86\u89e3\u5b66\u4e60\u8fc7\u8bed\u8a00\uff0c\u5927\u5bb6\u57fa\u672c\u4e0a\u4e5f\u90fd\u770b\u8fc7\u8fd9\u4e2a\u51fd\u6570\uff0c\u56e0\u4e3a\u6bd4\u8f83\u91cd\u8981\uff0c\u6240\u4ee5\u5728\u6bcf\u4e00\u6b21\u7684\u8f6f\u4ef6\u5347\u7ea7\u4e0a\uff0c\u90fd\u8fdb\u884c\u4e86\u6216\u591a\u6216\u5c11\u7684\u6539\u53d8\uff0c\u4f46\u662f\u552f\u4e00\u4e0d\u53d8\u7684\uff0c\u662f\u4ed6\u7684\u4e3b\u8981\u529f\u80fd\uff0c\u5c31\u662f\u8981\u5bf9\u5143\u7d20\u8fdb\u884c\u7d2f\u79ef\u4f7f\u7528\u7684\uff0c\u6700\u7ec8\u4f1a\u5f97\u5230\u4e00\u4e2a\u7ed3\u5408\uff0c\u73b0\u5728\u7ecf\u5e38\u548c\u4e00\u4e2a\u6a21\u5757\u7ed3\u5408\u4e00\u8d77\u4f7f\u7528\uff0c\u4e0d\u591a\u8d58\u8ff0\uff0c\u4e0b\u9762\u4e86\u89e3\u4e3b\u8981\u7684\u4e00\u4e9b\u529f\u80fd\u7279\u70b9\u3002<\/span><\/p>\n<p style=\"margin-left:28px;text-align:justify\"><span style=\"font-family: Wingdings;font-size: 14px\">l&nbsp;<\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1;font-size: 14px\"><span style=\"font-family:\u5fae\u8f6f\u96c5\u9ed1\">\u51fd\u6570\u8bed\u6cd5\uff1a<\/span>reduce(function, iterable[, initializer])<\/span><\/p>\n<p style=\"margin-left:28px;text-align:justify\"><span style=\"font-family: Wingdings;font-size: 14px\">l&nbsp;<\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1;font-size: 14px\">\u8fd4\u56de\u503c\uff1a\u8ba1\u7b97\u7ed3\u679c\u7684<\/span><\/p>\n<p style=\"text-align:justify\"><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1;font-size: 14px\">\u5b9e\u4f8b\u4ee3\u7801\u6f14\u793a\uff1a<\/span><\/strong><\/p>\n<pre>import&nbsp;functools\nl&nbsp;=&nbsp;[1,&nbsp;2,&nbsp;3,&nbsp;4,&nbsp;5]\nproduct&nbsp;=&nbsp;functools.reduce(lambda&nbsp;x,&nbsp;y:&nbsp;x&nbsp;*&nbsp;y,&nbsp;l)\nproduct\nproduct&nbsp;=&nbsp;functools.reduce(lambda&nbsp;x,&nbsp;y:&nbsp;x&nbsp;+&nbsp;y,&nbsp;l)<\/pre>\n<p style=\"text-align:justify\"><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1;font-size: 14px\">\u8fd4\u56de\u7ed3\u679c\uff1a<\/span><\/strong><strong><\/strong><\/p>\n<pre>reduce(lambda&nbsp;x,y:&nbsp;x*y,[1,2,3,4,5])\n120<\/pre>\n<p style=\"text-align: justify\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1;font-size: 14px\"><span style=\"font-family:\u5fae\u8f6f\u96c5\u9ed1\">\u5bf9\u4e8e\u51fd\u6570\u800c\u8a00\uff0c\u6211\u4eec\u6240\u9700\u8981\u638c\u63e1\u7684\u5185\u5bb9\u5e76\u4e0d\u662f\u5f88\u591a\uff0c\u56e0\u6b64\uff0c\u4e0a\u8ff0\u5168\u90e8\u5185\u5bb9\uff0c\u8db3\u591f\u5927\u5bb6\u6d88\u5316\u7406\u89e3\u4e86\uff0c\u597d\u5566\uff0c\u7b80\u7b80\u5355\u5355\u5c31\u8be6\u7ec6\u8bf4\u5b8c\u4e86<\/span>reduce\u51fd\u6570\uff0c\u5927\u5bb6\u5982\u679c\u8fd8\u60f3\u4e86\u89e3\u5176\u4ed6\u5185\u5bb9\uff0c\u5230python\u5b66\u4e60\u7f51\u67e5\u8be2\u54e6~<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5373\u4fbf\u662f\u6ca1\u6709\u6df1\u5165\u4e86\u89e3\u5b66\u4e60\u8fc7\u8bed\u8a00\uff0c\u5927\u5bb6\u57fa\u672c\u4e0a\u4e5f\u90fd\u770b\u8fc7\u8fd9\u4e2a\u51fd\u6570\uff0c\u56e0\u4e3a\u6bd4\u8f83\u91cd\u8981\uff0c\u6240\u4ee5\u5728\u6bcf\u4e00\u6b21\u7684\u8f6f\u4ef6\u5347\u7ea7\u4e0a\uff0c\u90fd\u8fdb\u884c\u4e86\u6216\u591a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":172461,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182397],"tags":[],"class_list":["post-172460","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/172460","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=172460"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/172460\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/172461"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=172460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=172460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=172460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}