\u6bd4\u8f83\u5bb9\u6613\u8bb0\u5fc6\u7684\u662f\u7528\u5185\u7f6e\u7684set<\/p>\n
l1 = ['b','c','d','b','c','a','a']\r\nl2 = list(set(l1))\r\nprint l2<\/pre>\n\u8fd8\u6709\u4e00\u79cd\u636e\u8bf4\u901f\u5ea6\u66f4\u5feb\u7684\uff0c\u6ca1\u6d4b\u8bd5\u8fc7\u4e24\u8005\u7684\u901f\u5ea6\u5dee\u522b<\/p>\n
l1 = ['b','c','d','b','c','a','a']\r\nl2 = {}.fromkeys(l1).keys()\r\nprint l2<\/pre>\n\u8fd9\u4e24\u79cd\u90fd\u6709\u4e2a\u7f3a\u70b9\uff0c\u795b\u9664\u91cd\u590d\u5143\u7d20\u540e\u6392\u5e8f\u53d8\u4e86\uff1a<\/p>\n
['a', 'c', 'b', 'd']<\/pre>\n\u5982\u679c\u60f3\u8981\u4fdd\u6301\u4ed6\u4eec\u539f\u6765\u7684\u6392\u5e8f\uff1a<\/p>\n
\u7528list\u7c7b\u7684sort\u65b9\u6cd5<\/p>\n
l1 = ['b','c','d','b','c','a','a']\r\nl2 = list(set(l1))\r\nl2.sort(key=l1.index)\r\nprint l2<\/pre>\n\u4e5f\u53ef\u4ee5\u8fd9\u6837\u5199<\/p>\n
l1 = ['b','c','d','b','c','a','a']\r\nl2 = sorted(set(l1),key=l1.index)\r\nprint l2<\/pre>\n\u4e5f\u53ef\u4ee5\u7528\u904d\u5386<\/p>\n
l1 = ['b','c','d','b','c','a','a']\r\nl2 = []\r\nfor i in l1:\r\n if not i in l2:\r\n l2.append(i)\r\nprint l2\r\n\u4e0a\u9762\u7684\u4ee3\u7801\u4e5f\u53ef\u4ee5\u8fd9\u6837\u5199\r\nl1 = ['b','c','d','b','c','a','a']\r\nl2 = []\r\n[l2.append(i) for i in l1 if not i in l2]\r\nprint l2<\/pre>\n\u8fd9\u6837\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u6392\u5e8f\u4e0d\u53d8\u4e86\uff1a<\/p>\n
['b', 'c', 'd', 'a']<\/pre>\n\u53c2\u8003\uff1a<\/p>\n
http:\/\/blog.csdn.net\/zhengnz\/article\/details\/6265282<\/pre>\n","protected":false},"excerpt":{"rendered":"\u6bd4\u8f83\u5bb9\u6613\u8bb0\u5fc6\u7684\u662f\u7528\u5185\u7f6e\u7684set l1 = [‘b’,’c’,’d’,’b’,’c’,’a’,’a’] l2 = list(set(l1)) print l2 \u8fd8\u6709\u4e00\u79cd\u636e\u8bf4\u901f\u5ea6\u66f4\u5feb\u7684\uff0c\u6ca1\u6d4b\u8bd5\u8fc7\u4e24\u8005\u7684\u901f\u5ea6\u5dee\u522b l1 = [‘b’,’c’,’d’,’b’,’c’,’a’,’a’] l2 = {}.fromkeys(l1).keys() print l2 \u8fd9\u4e24\u79cd\u90fd\u6709\u4e2a\u7f3a\u70b9\uff0c\u795b\u9664\u91cd\u590d\u5143\u7d20\u540e\u6392\u5e8f\u53d8\u4e86\uff1a [‘a’, ‘c’, ‘b’, ‘d’] \u5982\u679c\u60f3\u8981\u4fdd\u6301\u4ed6\u4eec\u539f\u6765\u7684\u6392\u5e8f\uff1a \u7528list\u7c7b\u7684sort\u65b9\u6cd5 l1 = [‘b’,’c’,’d’,’b’,’c’,’a’,’a’] l2 = list(set(l1)) l2.sort(key=l1.index) print l2 \u4e5f\u53ef\u4ee5\u8fd9\u6837\u5199 l1 = [‘b’,’c’,’d’,’b’,’c’,’a’,’a’] l2 = sorted(set(l1),key=l1.index) print l2 \u4e5f\u53ef\u4ee5\u7528\u904d\u5386 l1 = [‘b’,’c’,’d’,’b’,’c’,’a’,’a’] l2 = [] for i in l1: if […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76],"tags":[],"class_list":["post-7254","post","type-post","status-publish","format-standard","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/7254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7254"}],"version-history":[{"count":2,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/7254\/revisions"}],"predecessor-version":[{"id":7256,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/7254\/revisions\/7256"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}