{"id":571,"date":"2024-12-26T23:24:13","date_gmt":"2024-12-26T15:24:13","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=571"},"modified":"2024-12-26T23:24:13","modified_gmt":"2024-12-26T15:24:13","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-python-%e4%b8%ad%e5%8f%8d%e8%bd%ac%e5%ad%97%e5%85%b8%e7%9a%84%e9%94%ae%e5%80%bc%e5%af%b9%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2024\/12\/26\/%e5%a6%82%e4%bd%95%e5%9c%a8-python-%e4%b8%ad%e5%8f%8d%e8%bd%ac%e5%ad%97%e5%85%b8%e7%9a%84%e9%94%ae%e5%80%bc%e5%af%b9%ef%bc%9f\/","title":{"rendered":"\u5982\u4f55\u5728 Python \u4e2d\u53cd\u8f6c\u5b57\u5178\u7684\u952e\u503c\u5bf9\uff1f"},"content":{"rendered":"\n
\n

\u5728 Python \u4e2d\uff0c\u53cd\u8f6c\u5b57\u5178\u7684\u952e\u503c\u5bf9\u610f\u5473\u7740\u5c06\u5b57\u5178\u4e2d\u7684\u952e\u53d8\u6210\u503c\uff0c\u503c\u53d8\u6210\u952e\u3002\u8fd9\u4e2a\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u6765\u5b8c\u6210\uff0c\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u89c1\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n<\/blockquote>\n\n\n\n

1. \u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f<\/strong><\/h3>\n\n\n\n

\u5b57\u5178\u63a8\u5bfc\u5f0f\u662f Python \u4e2d\u4e00\u79cd\u975e\u5e38\u7b80\u6d01\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\uff0c\u7528\u6765\u6784\u9020\u4e00\u4e2a\u65b0\u7684\u5b57\u5178\u3002\u5728\u8fd9\u79cd\u65b9\u6cd5\u4e2d\uff0c\u4f60\u53ef\u4ee5\u5c06\u539f\u5b57\u5178\u7684 key<\/code> \u548c value<\/code> \u4ea4\u6362\u3002<\/p>\n\n\n\n

\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n\n\n\n
original_dict = {\"a\": 1, \"b\": 2, \"c\": 3}\n\nreversed_dict = {v: k for k, v in original_dict.items()}\nprint(reversed_dict)<\/code><\/pre>\n\n\n\n
\u8f93\u51fa\uff1a<\/h4>\n\n\n\n
{1: 'a', 2: 'b', 3: 'c'}<\/code><\/pre>\n\n\n\n
    \n
  • \u901a\u8fc7 .items()<\/code> \u65b9\u6cd5\u904d\u5386\u539f\u5b57\u5178\u7684\u6240\u6709\u952e\u503c\u5bf9\uff0c\u7136\u540e\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u5c06\u6bcf\u4e2a\u503c\u548c\u952e\u4ea4\u6362\u3002<\/li>\n<\/ul>\n\n\n\n
    \n\n\n\n
    2. \u4f7f\u7528 dict()<\/code> \u548c zip()<\/code> \u51fd\u6570<\/strong><\/h3>\n\n\n\n
    \u4f60\u8fd8\u53ef\u4ee5\u4f7f\u7528 zip()<\/code> \u51fd\u6570\u5c06\u539f\u5b57\u5178\u7684\u503c\u548c\u952e\u201c\u6253\u5305\u201d\u5728\u4e00\u8d77\uff0c\u7136\u540e\u4f7f\u7528 dict()<\/code> \u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u5178\u3002<\/p>\n\n\n\n
    \u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n\n\n\n
    original_dict = {\"a\": 1, \"b\": 2, \"c\": 3}\n\nreversed_dict = dict(zip(original_dict.values(), original_dict.keys()))\nprint(reversed_dict)<\/code><\/pre>\n\n\n\n
    \u8f93\u51fa\uff1a<\/h4>\n\n\n\n
    {1: 'a', 2: 'b', 3: 'c'}<\/code><\/pre>\n\n\n\n
      \n
    • original_dict.values()<\/code> \u83b7\u53d6\u5b57\u5178\u7684\u6240\u6709\u503c\uff0coriginal_dict.keys()<\/code> \u83b7\u53d6\u5b57\u5178\u7684\u6240\u6709\u952e\u3002<\/li>\n\n\n\n
    • zip()<\/code> \u4f1a\u5c06\u503c\u548c\u952e\u914d\u5bf9\uff0c\u7136\u540e\u901a\u8fc7 dict()<\/code> \u6784\u9020\u4e00\u4e2a\u65b0\u7684\u5b57\u5178\u3002<\/li>\n<\/ul>\n\n\n\n
      \n\n\n\n
      3. \u8003\u8651\u503c\u7684\u552f\u4e00\u6027<\/strong><\/h3>\n\n\n\n
      \u53cd\u8f6c\u5b57\u5178\u65f6\uff0c\u5fc5\u987b\u786e\u4fdd\u539f\u5b57\u5178\u4e2d\u7684\u503c\u662f\u552f\u4e00\u7684\uff0c\u5426\u5219\u53cd\u8f6c\u540e\u4f1a\u4e22\u5931\u4fe1\u606f\u3002\u5982\u679c\u503c\u91cd\u590d\uff0c\u540e\u9762\u51fa\u73b0\u7684\u952e\u503c\u5bf9\u4f1a\u8986\u76d6\u524d\u9762\u5df2\u5b58\u5728\u7684\u952e\u503c\u5bf9\u3002<\/p>\n\n\n\n
      \u793a\u4f8b\u4ee3\u7801\uff08\u91cd\u590d\u503c\u7684\u60c5\u51b5\uff09\uff1a<\/h4>\n\n\n\n
      original_dict = {\"a\": 1, \"b\": 2, \"c\": 1}\n\nreversed_dict = {v: k for k, v in original_dict.items()}\nprint(reversed_dict)<\/code><\/pre>\n\n\n\n
      \u8f93\u51fa\uff1a<\/h4>\n\n\n\n
      {1: 'c', 2: 'b'}<\/code><\/pre>\n\n\n\n
        \n
      • \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u503c 1<\/code> \u5728\u539f\u5b57\u5178\u4e2d\u5bf9\u5e94\u4e86\u952e 'a'<\/code> \u548c 'c'<\/code>\uff0c\u4f46\u662f\u53cd\u8f6c\u540e\u53ea\u6709\u952e 'c'<\/code> \u88ab\u4fdd\u7559\uff0c\u56e0\u4e3a\u5728\u5b57\u5178\u4e2d\uff0c\u952e\u662f\u552f\u4e00\u7684\u3002<\/li>\n<\/ul>\n\n\n\n
        \n\n\n\n
        4. \u5904\u7406\u91cd\u590d\u503c\u7684\u7b56\u7565<\/strong><\/h3>\n\n\n\n
        \u5982\u679c\u4f60\u5e0c\u671b\u4fdd\u7559\u6240\u6709\u91cd\u590d\u503c\u7684\u952e\uff0c\u53ef\u4ee5\u5c06\u53cd\u8f6c\u540e\u7684\u5b57\u5178\u503c\u8bbe\u7f6e\u4e3a\u5217\u8868\uff0c\u5305\u542b\u6240\u6709\u539f\u5b57\u5178\u4e2d\u5bf9\u5e94\u7684\u952e\u3002<\/p>\n\n\n\n
        \u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n\n\n\n
        original_dict = {\"a\": 1, \"b\": 2, \"c\": 1}\n\nreversed_dict = {}\nfor k, v in original_dict.items():\n    if v in reversed_dict:\n        reversed_dict[v].append(k)\n    else:\n        reversed_dict[v] = [k]\n\nprint(reversed_dict)<\/code><\/pre>\n\n\n\n
        \u8f93\u51fa\uff1a<\/h4>\n\n\n\n
        {1: ['a', 'c'], 2: ['b']}<\/code><\/pre>\n\n\n\n
          \n
        • \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5f53\u503c 1<\/code> \u5728\u539f\u5b57\u5178\u4e2d\u91cd\u590d\u65f6\uff0creversed_dict<\/code> \u7684\u503c\u53d8\u6210\u4e86\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u952e\u7684\u5217\u8868\u3002<\/li>\n<\/ul>\n\n\n\n
          \n\n\n\n
          \u603b\u7ed3<\/h3>\n\n\n\n
            \n
          • \u7b80\u6d01\u53cd\u8f6c<\/strong>\uff1a\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u6216 zip()<\/code> \u548c dict()<\/code> \u51fd\u6570\u3002<\/li>\n\n\n\n
          • \u5904\u7406\u91cd\u590d\u503c<\/strong>\uff1a\u5982\u679c\u539f\u5b57\u5178\u4e2d\u7684\u503c\u4e0d\u552f\u4e00\uff0c\u53ef\u4ee5\u5c06\u53cd\u8f6c\u540e\u7684\u5b57\u5178\u503c\u4f5c\u4e3a\u5217\u8868\u5b58\u50a8\u6240\u6709\u539f\u952e\u3002<\/li>\n<\/ul>\n\n\n\n
            \u53cd\u8f6c\u5b57\u5178\u7684\u952e\u503c\u5bf9\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u64cd\u4f5c\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u4f60\u7684\u9700\u6c42\uff0c\u5c24\u5176\u662f\u5982\u4f55\u5904\u7406\u91cd\u590d\u503c\u7684\u60c5\u51b5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u5728 Python \u4e2d\uff0c\u53cd\u8f6c\u5b57\u5178\u7684\u952e\u503c\u5bf9\u610f\u5473\u7740\u5c06\u5b57\u5178\u4e2d\u7684\u952e\u53d8\u6210\u503c\uff0c\u503c\u53d8\u6210\u952e\u3002\u8fd9\u4e2a\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u6765\u5b8c\u6210\uff0c\u4ee5\u4e0b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-571","post","type-post","status-publish","format-standard","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/571","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=571"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/571\/revisions"}],"predecessor-version":[{"id":572,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/571\/revisions\/572"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}