{"id":149423,"date":"2020-08-24T14:39:02","date_gmt":"2020-08-24T06:39:02","guid":{"rendered":"http:\/\/4563.org\/?p=149423"},"modified":"2020-08-24T14:39:02","modified_gmt":"2020-08-24T06:39:02","slug":"python-%e5%ad%97%e5%85%b8%e4%b8%ad%e6%8c%89-value-%e5%90%88%e5%b9%b6%ef%bc%8c%e6%9c%89%e6%b2%a1%e6%9c%89%e7%ae%80%e5%8d%95%e7%9a%84%e5%86%99%e6%b3%95%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=149423","title":{"rendered":"Python \u5b57\u5178\u4e2d\u6309 value \u5408\u5e76\uff0c\u6709\u6ca1\u6709\u7b80\u5355\u7684\u5199\u6cd5\uff1f"},"content":{"rendered":"
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Python \u5b57\u5178\u4e2d\u6309 value \u5408\u5e76\uff0c\u6709\u6ca1\u6709\u7b80\u5355\u7684\u5199\u6cd5\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : css3 <\/span> <\/i> 7<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6211\u592a\u7b28\u4e86\uff0c\u5c31\u662f\u5404\u79cd for<\/p>\n

\u628a tmp \u6309\u5176 value \u53bb\u91cd(\u53d6\u7b2c\u4e00\u4e2a), ret \u4e3a\u7ed3\u679c<\/h1>\n

<\/p>\n

tmp = {     \"a\": [         {\"a1\": \"tom\"},         {\"a2\": \"jery\"},         {\"a3\": \"jery\"},         {\"a4\": \"cao\"},         {\"a5\": \"cao\"},     ],     \"b\": [         {\"b1\": \"lily\"},         {\"b2\": \"lily\"},         {\"bn\": \"jack\"},     ] }  ret = {     \"a\": [         {\"a1\": \"tom\"},         {\"a2\": \"jery\"},         {\"a4\": \"cao\"}     ],     \"b\": [         {\"b1\": \"lily\"},         {\"bn\": \"jack\"}     ] } <\/code><\/pre>\n
\u6211\u81ea\u5df1\u534a\u5929\u5199\u4e86\u8fd9\u4e00\u5768\uff0c\u7740\u5b9e\u8d39\u52b2\uff0c\u6709\u6ca1\u6709\u7b80\u5355\u7684\u5199\u6cd5      <\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (20<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : cyspy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u53cd\u7740\u653e\u5230 dict \u91cc\u518d\u53d6\u51fa\u6765                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : lybcyd <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5982\u679c\u4e0d\u540c\u7684 key \u6709\u76f8\u540c\u7684 value\uff0c\u8be5\u4fdd\u7559\u54ea\u4e00\u4e2a\u5462\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : css3 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @lybcyd \u5c31\u7b2c\u4e00\u4e2a\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : css3 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6d4b\u8bd5\u4e86\u4e00\u4e0b\uff0c\u6211\u8fd9\u4e00\u5768\u8fd8\u6709 bug                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : css3 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @css3 \u5c31\u662f\u4e0d\u540c keykey \u7684 value \u53ef\u4ee5\u5141\u8bb8\u91cd\u590d<\/p>\n
    tmp = {
     “a”: [
     {“a1”: “tom”},
     {“a2”: “jery”},
     {“a3”: “jery”},
     {“a4”: “cao”},
     {“a5”: “cao”},
     ],
     “b”: [
     {“b1”: “lily”},
     {“b2”: “lily”},
     {“bn”: “jack”},
     {“bb”: “tom”}
     ]
    }<\/p>\n
    ret = {
     “a”: [
     {“a1”: “tom”},
     {“a2”: “jery”},
     {“a4”: “cao”}
     ],
     “b”: [
     {“b1”: “lily”},
     {“bn”: “jack”},
     {“bb”: “tom”}
     ]
    }                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : ruyu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 “`py
    [(k, [(n, m) for m, n in dict([reversed(next(iter(i.items()))) for i in v]).items()]) for k, v in tmp.items()]
    “`<\/p>\n
    \u8fd9\u6837?                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : ruyu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5fd8\u4e86\u8f6c\u6210 dict \u4e86. \u90a3\u5c31\u8fd9\u6837?<\/p>\n
     dict([(k, dict([(n, m) for m, n in dict([reversed(next(iter(i.items()))) for i in v]).items()])) for k, v in tmp.items()])                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Death <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5e73\u65f6 python \u5199\u7684\u4e0d\u591a\uff0c\u8bd5\u7740\u5199\u4e86\u4e00\u4e0b<\/p>\n
    “`
    ret={key:list(reversed([{v:k} for k,v in {y:x for d in reversed(val) for x,y in d.items()}.items()])) for key,val in tmp.items()}
    “`                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : djFFFFF <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd9\u4e2a\u7ed3\u6784\u592a\u5947\u602a\u4e86\uff0c\u5b57\u5178\u5957\u5217\u8868\u518d\u5957\u53ea\u4f1a\u6709\u4e00\u4e2a\u5143\u7d20\u7684\u5b57\u5178\u662f\u4ec0\u4e48\u64cd\u4f5c\uff0c\u5b57\u5178\u5957\u5b57\u5178\u4e0d\u884c\u5417\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : ipwx <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5176\u5b9e\u4e3b\u4f60\u6709\u6ca1\u6709\u53d1\u73b0\uff0c\u4e00\u884c\u5199\u6cd5\u66f4\u96be\u8bfb\u3002\u3002\u3002<\/p>\n
    \u6240\u4ee5\u4e00\u6b65\u4e00\u6b65\u505a\u662f\u5760\u597d\u7684\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Trim21 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5c01\u88c5\u6210\u4e2a\u51fd\u6570\u7528\u7684\u65f6\u5019\u4e5f\u662f\u4e00\u884c\uff08\u5f3a\u884c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : BiteTheDust <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5e94\u8be5\u53cd\u8fc7\u6765\u5b58\u50a8 \u5408\u7406\u5b58\u653e\u6570\u636e\u7ed3\u6784\u5f88\u91cd\u8981                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : billgreen1 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 [
    {“a1”: “tom”},
    {“a2”: “jery”},
    {“a3”: “jery”},
    {“a4”: “cao”},
    {“a5”: “cao”},
    {“a6”: “jery”},
    ],<\/p>\n
    \u8fd9\u79cd\u60c5\u51b5\u5982\u4f55\u5904\u7406\uff1f@\u4e3b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : css3 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @css3 @cyspy @lybcyd @ruyu @Death @djFFFFF @ipwx @Trim21 @BiteTheDust @billgreen1 
    \u611f\u8c22\u5404\u4f4d\uff0c\u6211\u7b49\u4e0b\u6328\u4e2a\u8bd5\u8bd5\uff0c\u563f\u563f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : css3 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @billgreen1 
    \u6309\u91cc\u8fb9\u5b57\u5178\u7684 value \u53bb\u91cd\u5c31\u884c\uff0c\u4fdd\u7559\u7b2c\u4e00\u4e2a
    [
    {“a1”: “tom”},
    {“a2”: “jery”},
    {“a4”: “cao”},
    ],                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : skinny <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e0d\u8981\u5728\u590d\u6742\u6570\u636e\u7ed3\u6784\u548c\u903b\u8f91\u4e0b\u5199\u6240\u8c13\u7684\u4e00\u884c\u4ee3\u7801\uff0c\u770b\u4e0a\u53bb\u9ad8\u5927\u4e0a\uff0c\u5b9e\u9645\u96be\u8bfb\u96be\u4ee5\u7406\u89e3\u6ca1\u5375\u7528\uff0c\u5148\u4e0d\u63d0\u4ee5\u540e\u518d\u8bfb\u548c\u7ef4\u62a4\u65f6\u7684\u9178\u723d\uff0c\u5199\u7684\u65f6\u5019\u4f60\u4e5f\u591a\u6d6a\u8d39\u4e86\u5f88\u591a\u8111\u7ec6\u80de\u548c\u65f6\u95f4\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : ipwx <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @skinny \u6211\u4e5f\u662f\u8fd9\u4e2a\u89c2\u70b9\uff08\u5982\u679c\u662f\u7eaf python \u5904\u7406\u4ee3\u7801\uff09<\/p>\n
    \u4f46\u53cd\u8fc7\u6765\uff0c\u5982\u679c\u8981\u5904\u7406\u51e0\u5341\u4e07\u884c\u51e0\u767e\u4e07\u884c\u8fd9\u79cd\uff0cpython \u5c31\u8d85\u6162\u7684\uff0c\u4e0d\u5f97\u4e0d\u8bc9\u8bf8\u4e8e pandas \u90a3\u79cd\u3002\u5c31\u4f1a\u662f\u53e6\u4e00\u79cd\u611f\u89c9\u4e86                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : zunsgm <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @skinny 
    @ipwx 
    @ruyu 
    \u521d\u5b66\u8005,\u5927\u4f6c\u4eec\u80fd\u5206\u89e3\u4e0b\u4e0d?                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : ipwx <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @zunsgm \u4f60\u81ea\u5df1\u7684\u90a3\u4e2a\u7248\u672c\u6539\u6539\u4e0d\u5c31\u884c\u4e86\uff1f<\/p>\n
    \"Python <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : wwf <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 def unpack(lst):
     value_set = set()
     new_lst = []
     for i in lst:
     for k, v in i.items():
     if not value_set:
     value_set.add(v)
     new_lst.append(i)
     if v in value_set:
     continue
     value_set.add(v)
     new_lst.append(i)
     return new_lst<\/p>\n
    ret = {}
    for k, v in tmp.items():
     ret[k] = unpack(v)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    Python \u5b57\u5178\u4e2d\u6309 value…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/149423"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=149423"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/149423\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=149423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=149423"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=149423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}