{"id":149702,"date":"2020-09-01T05:40:38","date_gmt":"2020-08-31T21:40:38","guid":{"rendered":"http:\/\/4563.org\/?p=149702"},"modified":"2020-09-01T05:40:38","modified_gmt":"2020-08-31T21:40:38","slug":"for-%e5%be%aa%e7%8e%af%e7%94%9f%e6%88%90%e4%b8%80%e4%b8%aa-dict-value-%e6%98%af%e5%b5%8c%e5%a5%97-list-%e6%97%b6%ef%bc%8c%e5%a6%82%e4%bd%95-append","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=149702","title":{"rendered":"for \u5faa\u73af\u751f\u6210\u4e00\u4e2a dict, value \u662f\u5d4c\u5957 list \u65f6\uff0c\u5982\u4f55 append?"},"content":{"rendered":"
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for \u5faa\u73af\u751f\u6210\u4e00\u4e2a dict, value \u662f\u5d4c\u5957 list \u65f6\uff0c\u5982\u4f55 append? <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : css3 <\/span> <\/i> 9<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u60f3\u8981\u751f\u6210\u8fd9\u4e48\u4e2a\u7ed3\u6784\uff1a<\/p>\n

ret = {\"a\": [[1], [2], [3]]} <\/code><\/pre>\n
\u7528\u7684\u5173\u952e\u5b57 setdefault\uff1a<\/code><\/p>\n
ret.setdefault(k, []).append(v) # \u8fd9\u6837\u751f\u6210\u7684\u7ed3\u679c\u603b\u662f ret = {\"a\": [1\uff0c2\uff0c3]} \u5982\u4f55\u624d\u80fd\u751f\u6210\u4e0a\u9762\u7684\u7c7b\u578b\u5462 <\/code><\/pre>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (10<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : funcookies <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 ret.setdefault(k, []).append([v]) \u8fd9\u6837\u5417\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : css3 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @funcookies \u4e0d\u592a\u884c\uff0c\u6211\u7684\u671f\u671b\u7684\u7ed3\u6784\u5199\u9519\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : ss098 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 >>> ret = {“a”: [[1], [2], [3]]}
    >>> ret[“a”].append([4])
    >>> ret
    {‘a’: [[1], [2], [3], [4]]}                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : ss098 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8865\u5145\u4e4b\u540e\u73b0\u6709\u4ee3\u7801\u548c\u9700\u6c42\u66f4\u770b\u4e0d\u61c2\u4e86\uff0c\u5efa\u8bae\u91cd\u65b0\u63cf\u8ff0 …                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : funcookies <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @css3 \u8fd9\u6709\u5565\u89c4\u5f8b\u5417 \u518d\u52a0\u4e00\u4e2a\u662f\u548c 3 \u7ec4\u6210\u5217\u8868\u5417\uff0c\u8fd8\u662f\u600e\u4e48\u6837                                                            <\/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
                                                                 \u89e3\u51b3\u4e86\uff0c\u611f\u8c22\u8001\u54e5\u4eec\uff0c\u4e0a\u4e0b\u6587\u592a\u957f\uff0c\u6211\u4e5f\u6ca1\u8868\u8ff0\u6e05\u695a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : TimePPT <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @css3 \u5efa\u8bae\u6709\u95ee\u9898\u81ea\u5df1\u5148\u8bd5\u8bd5\uff0c\u4e00\u5929\u53d1\u51e0\u4e2a\u5e16\u5b50\u611f\u89c9\u4f60\u4e00\u76f4\u5728\u7ea0\u7ed3\u5b57\u5178\u95ee\u9898\u3002\u8fd9\u6837\u95ee\u6548\u7387\u4f4e\u81ea\u5df1\u7406\u89e3\u4e5f\u4e0d\u5145\u5206\uff0c\u5b9e\u5728\u641e\u4e0d\u5b9a\u4e5f\u67e5\u4e0d\u5230\u8d44\u6599\u4e86\u518d\u96c6\u4e2d\u6765\u53d1\u5e16\u6c42\u52a9\u3002\u5e16\u5b50\u628a\u4e0a\u4e0b\u6587\u8bf4\u6e05\u695a\u5927\u5bb6\u5e2e\u4f60\u4e5f\u6548\u7387\u9ad8\u4e00\u4e9b\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : css3 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @TimePPT \u6536\u5230\u4e86\u8001\u54e5\uff0c\u8fd9\u4e24\u5929\u96c6\u4e2d\u5904\u7406\u6570\u636e\uff0c\u786e\u5b9e\u95ee\u4e86\u597d\u591a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u80f6\u6c34\u8bed\u8a00\uff0c\u624b\u6495\u5c31\u884c\u4e86
    \u522b\u6574\u90a3\u4e9b OO \u5947\u6280\u6deb\u5de7\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : biglazycat <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u600e\u4e48\u641e\u5b9a\u7684\uff1f\u4ffa\u4e5f\u60f3\u5b66\u5b66\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    for \u5faa\u73af\u751f\u6210\u4e00\u4e2a dict, …<\/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\/149702"}],"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=149702"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/149702\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=149702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=149702"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=149702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}