{"id":823,"date":"2017-07-28T11:44:33","date_gmt":"2017-07-28T03:44:33","guid":{"rendered":"http:\/\/www.5x44.cn\/?p=823"},"modified":"2017-07-28T11:44:33","modified_gmt":"2017-07-28T03:44:33","slug":"python3%e7%9a%84sort%e5%87%bd%e6%95%b0%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=823","title":{"rendered":"python3\u7684sort\u51fd\u6570\u7528\u6cd5"},"content":{"rendered":"<p><code>sorted(iterable, *, key=None, reverse=False)<\/code><br \/>\n\u7b80\u5355\u7684\u4f7f\u7528\u65b9\u6cd5\u6709\uff1a<\/p>\n<pre>&gt;&gt;&gt;sorted([5, 2, 3, 1, 4])\r\n[1, 2, 3, 4, 5]\r\n&gt;&gt;&gt; a = [5, 2, 3, 1, 4]\r\n&gt;&gt;&gt; a.sort()\r\n&gt;&gt;&gt; a\r\n[1, 2, 3, 4, 5]\r\n<\/pre>\n<p>sort()\u51fd\u6570\u7684key\u529f\u80fd\uff1a<\/p>\n<p><code><em>key<\/em>\u53c2\u6570\u7684\u503c\u5e94\u8be5\u662f\u4e00\u4e2a\u5e26\u6709\u4e00\u4e2a\u53c2\u6570\u7684\u51fd\u6570\uff0c\u5e76\u4e14\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u503c\u7528\u4e8e\u6392\u5e8f\u6bd4\u8f83\u3002\u8fd9\u4e2a\u6280\u672f\u5f88\u5feb\uff0c\u56e0\u4e3akey\u51fd\u6570\u53ea\u88ab\u663e\u793a\u8c03\u7528\u4e00\u6b21\u3002<\/code><\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><span class=\"gp\">&gt;&gt;&gt; <\/span><span class=\"n\">student_tuples<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n<span class=\"gp\">... <\/span>    <span class=\"p\">(<\/span><span class=\"s1\">'john'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'A'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">15<\/span><span class=\"p\">),<\/span>\r\n<span class=\"gp\">... <\/span>    <span class=\"p\">(<\/span><span class=\"s1\">'jane'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'B'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">12<\/span><span class=\"p\">),<\/span>\r\n<span class=\"gp\">... <\/span>    <span class=\"p\">(<\/span><span class=\"s1\">'dave'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'B'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">10<\/span><span class=\"p\">),<\/span>\r\n<span class=\"gp\">... <\/span><span class=\"p\">]<\/span>\r\n<span class=\"gp\">&gt;&gt;&gt; <\/span><span class=\"nb\">sorted<\/span><span class=\"p\">(<\/span><span class=\"n\">student_tuples<\/span><span class=\"p\">,<\/span> <span class=\"n\">key<\/span><span class=\"o\">=<\/span><span class=\"k\">lambda<\/span> <span class=\"n\">student<\/span><span class=\"p\">:<\/span> <span class=\"n\">student<\/span><span class=\"p\">[<\/span><span class=\"mi\">2<\/span><span class=\"p\">])<\/span>   <span class=\"c1\"># sort by age<\/span>\r\n<span class=\"go\">[('dave', 'B', 10), ('jane', 'B', 12), ('john', 'A', 15)]<\/span><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>sorted(iterable, *, key=None, reverse=False) \u7b80\u5355\u7684\u4f7f\u7528\u65b9\u6cd5\u6709\uff1a &gt;&gt;&gt;sorted([5, 2,&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/www.5x44.cn\/?p=823\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[33,34,35],"class_list":["post-823","post","type-post","status-publish","format-standard","hentry","category-python3","tag-python3","tag-sort","tag-35"],"_links":{"self":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/823","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=823"}],"version-history":[{"count":1,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/823\/revisions"}],"predecessor-version":[{"id":824,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/823\/revisions\/824"}],"wp:attachment":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}