{"id":7485,"date":"2023-05-13T12:08:02","date_gmt":"2023-05-13T04:08:02","guid":{"rendered":"https:\/\/www.5x44.cn\/?p=7485"},"modified":"2023-05-13T12:08:02","modified_gmt":"2023-05-13T04:08:02","slug":"dict-fromkeys%e5%92%8cdict-comprehension","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=7485","title":{"rendered":"dict.fromkeys\u548cdict comprehension"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li>dict.fromkeys(iterable,value)\uff0cvalue\u6700\u597d\u662f\u9759\u6001\u7684\u503c\uff0c\u4e0d\u7136\u751f\u6210\u7684\u5b57\u5178\u6240\u6709\u7684\u503c\u90fd\u4f1a\u6307\u5411\u540c\u4e2a\u5bf9\u8c61\uff1b\u5982dict.fromkeys(arr,[])\uff0c\u6240\u6709\u7684\u503c\u90fd\u6307\u5411\u540c\u4e00\u4e2a\u5217\u8868\uff0c\u5f53\u76f8\u4e00\u4e2akey\u4e2d\u6dfb\u52a0\u5143\u7d20\u65f6\uff0c\u6240\u6709\u7684value\u90fd\u4f1a\u589e\u52a0\u3002<\/li>\n\n\n\n<li>{x:[] for x in arr}\uff0c\u4f7f\u7528dict comprehension\u53ef\u4ee5\u907f\u514d\u4e0a\u9762\u7684\u95ee\u9898\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-7485","post","type-post","status-publish","format-standard","hentry","category-python3"],"_links":{"self":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/7485","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=7485"}],"version-history":[{"count":1,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/7485\/revisions"}],"predecessor-version":[{"id":7486,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/7485\/revisions\/7486"}],"wp:attachment":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}