{"id":1005562,"date":"2024-12-27T10:36:49","date_gmt":"2024-12-27T02:36:49","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1005562.html"},"modified":"2024-12-27T10:36:52","modified_gmt":"2024-12-27T02:36:52","slug":"python%e5%a6%82%e4%bd%95%e5%ad%97%e5%85%b8%e5%8f%98%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1005562.html","title":{"rendered":"python\u5982\u4f55\u5b57\u5178\u53d8\u5217\u8868"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25082036\/8956f795-2856-4622-9d7f-53344ab530cf.webp\" alt=\"python\u5982\u4f55\u5b57\u5178\u53d8\u5217\u8868\" \/><\/p>\n<p><p> <strong>Python\u4e2d\u5c06\u5b57\u5178\u8f6c\u6362\u4e3a\u5217\u8868\u7684\u51e0\u79cd\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528keys()\u65b9\u6cd5\u3001\u4f7f\u7528values()\u65b9\u6cd5\u3001\u4f7f\u7528items()\u65b9\u6cd5\u3002<\/strong>\u4ee5\u4e0b\u662f\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u5c06\u5b57\u5178\u8f6c\u6362\u4e3a\u5217\u8868\u53ef\u4ee5\u901a\u8fc7\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\uff0c\u8fd9\u53d6\u51b3\u4e8e\u4f60\u5e0c\u671b\u4ece\u5b57\u5178\u4e2d\u63d0\u53d6\u4ec0\u4e48\u5185\u5bb9\u3002\u53ef\u4ee5\u901a\u8fc7\u5b57\u5178\u7684<code>keys()<\/code>\u65b9\u6cd5\u3001<code>values()<\/code>\u65b9\u6cd5\u548c<code>items()<\/code>\u65b9\u6cd5\u6765\u5206\u522b\u63d0\u53d6\u952e\u3001\u503c\u6216\u952e\u503c\u5bf9\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63a2\u8ba8\u5b83\u4eec\u7684\u4f7f\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528keys()\u65b9\u6cd5<\/p>\n<\/p>\n<ol>\n<li>\u63d0\u53d6\u5b57\u5178\u7684\u952e<\/li>\n<\/ol>\n<p><p><code>keys()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u63d0\u53d6\u5b57\u5178\u4e2d\u7684\u6240\u6709\u952e\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5217\u8868\u3002\u8fd9\u5728\u9700\u8981\u5904\u7406\u5b57\u5178\u4e2d\u7684\u952e\u800c\u4e0d\u6d89\u53ca\u503c\u7684\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5b57\u5178\u5b58\u50a8\u4e86\u5b66\u751f\u7684\u6210\u7ee9\uff0c\u800c\u4f60\u53ea\u60f3\u83b7\u53d6\u6240\u6709\u5b66\u751f\u7684\u540d\u5b57\uff08\u5b57\u5178\u7684\u952e\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528<code>keys()<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">student_grades = {&#39;Alice&#39;: 85, &#39;Bob&#39;: 92, &#39;Charlie&#39;: 87}<\/p>\n<p>keys_list = list(student_grades.keys())<\/p>\n<p>print(keys_list)  # \u8f93\u51fa: [&#39;Alice&#39;, &#39;Bob&#39;, &#39;Charlie&#39;]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528\u573a\u666f<\/li>\n<\/ol>\n<p><p>\u4f7f\u7528<code>keys()<\/code>\u65b9\u6cd5\u8f6c\u6362\u5b57\u5178\u4e3a\u952e\u5217\u8868\u7684\u573a\u666f\u5305\u62ec\uff1a\u9700\u8981\u5bf9\u5b57\u5178\u7684\u952e\u8fdb\u884c\u6392\u5e8f\u3001\u8fc7\u6ee4\u6216\u5176\u4ed6\u64cd\u4f5c\uff1b\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u5feb\u901f\u83b7\u53d6\u6240\u6709\u552f\u4e00\u6807\u8bc6\u7b26\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528values()\u65b9\u6cd5<\/p>\n<\/p>\n<ol>\n<li>\u63d0\u53d6\u5b57\u5178\u7684\u503c<\/li>\n<\/ol>\n<p><p><code>values()<\/code>\u65b9\u6cd5\u7528\u4e8e\u63d0\u53d6\u5b57\u5178\u4e2d\u7684\u6240\u6709\u503c\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5217\u8868\u3002\u8fd9\u5728\u9700\u8981\u5904\u7406\u5b57\u5178\u4e2d\u7684\u503c\u800c\u4e0d\u8003\u8651\u952e\u7684\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5728\u524d\u9762\u7684\u5b66\u751f\u6210\u7ee9\u793a\u4f8b\u4e2d\uff0c\u5982\u679c\u4f60\u53ea\u5173\u5fc3\u6210\u7ee9\u672c\u8eab\uff0c\u53ef\u4ee5\u4f7f\u7528<code>values()<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">student_grades = {&#39;Alice&#39;: 85, &#39;Bob&#39;: 92, &#39;Charlie&#39;: 87}<\/p>\n<p>values_list = list(student_grades.values())<\/p>\n<p>print(values_list)  # \u8f93\u51fa: [85, 92, 87]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528\u573a\u666f<\/li>\n<\/ol>\n<p><p>\u4f7f\u7528<code>values()<\/code>\u65b9\u6cd5\u8f6c\u6362\u5b57\u5178\u4e3a\u503c\u5217\u8868\u7684\u573a\u666f\u5305\u62ec\uff1a\u9700\u8981\u7edf\u8ba1\u503c\u7684\u5206\u5e03\u3001\u8ba1\u7b97\u5e73\u5747\u503c\u6216\u5bfb\u627e\u6700\u5927\/\u6700\u5c0f\u503c\uff1b\u9700\u8981\u5c06\u5b57\u5178\u503c\u7528\u4e8e\u7ed8\u56fe\u6216\u5206\u6790\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u4f7f\u7528items()\u65b9\u6cd5<\/p>\n<\/p>\n<ol>\n<li>\u63d0\u53d6\u5b57\u5178\u7684\u952e\u503c\u5bf9<\/li>\n<\/ol>\n<p><p><code>items()<\/code>\u65b9\u6cd5\u7528\u4e8e\u63d0\u53d6\u5b57\u5178\u4e2d\u7684\u6240\u6709\u952e\u503c\u5bf9\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u5305\u542b\u952e\u548c\u503c\u7684\u5143\u7ec4\u3002\u8fd9\u5728\u9700\u8981\u540c\u65f6\u5904\u7406\u952e\u548c\u503c\u7684\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">student_grades = {&#39;Alice&#39;: 85, &#39;Bob&#39;: 92, &#39;Charlie&#39;: 87}<\/p>\n<p>items_list = list(student_grades.items())<\/p>\n<p>print(items_list)  # \u8f93\u51fa: [(&#39;Alice&#39;, 85), (&#39;Bob&#39;, 92), (&#39;Charlie&#39;, 87)]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528\u573a\u666f<\/li>\n<\/ol>\n<p><p>\u4f7f\u7528<code>items()<\/code>\u65b9\u6cd5\u8f6c\u6362\u5b57\u5178\u4e3a\u952e\u503c\u5bf9\u5217\u8868\u7684\u573a\u666f\u5305\u62ec\uff1a\u9700\u8981\u5bf9\u5b57\u5178\u5185\u5bb9\u8fdb\u884c\u6392\u5e8f\u3001\u5408\u5e76\u6216\u6bd4\u8f83\uff1b\u9700\u8981\u5c06\u5b57\u5178\u6570\u636e\u8f6c\u6362\u4e3a\u5176\u4ed6\u683c\u5f0f\uff08\u5982CSV\u6587\u4ef6\uff09\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u8f6c\u6362<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u63d0\u53d6\u548c\u8f6c\u6362<\/li>\n<\/ol>\n<p><p>\u9664\u4e86\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u5bf9\u5b57\u5178\u8fdb\u884c\u66f4\u590d\u6742\u7684\u8f6c\u6362\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u6761\u4ef6\u7b5b\u9009\u6216\u8ba1\u7b97\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">student_grades = {&#39;Alice&#39;: 85, &#39;Bob&#39;: 92, &#39;Charlie&#39;: 87}<\/p>\n<p>high_scorers = [name for name, grade in student_grades.items() if grade &gt; 90]<\/p>\n<p>print(high_scorers)  # \u8f93\u51fa: [&#39;Bob&#39;]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528\u573a\u666f<\/li>\n<\/ol>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u5728\u8f6c\u6362\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u989d\u5916\u5904\u7406\u7684\u573a\u666f\uff0c\u4f8b\u5982\u6839\u636e\u6761\u4ef6\u7b5b\u9009\u6570\u636e\u3001\u5bf9\u503c\u8fdb\u884c\u8ba1\u7b97\u6216\u8f6c\u6362\u683c\u5f0f\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u5e94\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n<ol>\n<li>\u6570\u636e\u5904\u7406\u548c\u5206\u6790<\/li>\n<\/ol>\n<p><p>\u5728\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u8fc7\u7a0b\u4e2d\uff0c\u5c06\u5b57\u5178\u8f6c\u6362\u4e3a\u5217\u8868\u53ef\u4ee5\u65b9\u4fbf\u5730\u5bf9\u6570\u636e\u8fdb\u884c\u7edf\u8ba1\u5206\u6790\u3001\u7ed8\u56fe\u548c\u5b58\u50a8\u3002\u7279\u522b\u662f\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u96c6\u65f6\uff0c\u5217\u8868\u7ed3\u6784\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6548\u7387\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li>\u6027\u80fd\u8003\u8651<\/li>\n<\/ol>\n<p><p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5b57\u5178\u8f6c\u6362\u4e3a\u5217\u8868\u7684\u64cd\u4f5c\u662f\u76f8\u5bf9\u9ad8\u6548\u7684\uff0c\u4f46\u5728\u6570\u636e\u91cf\u975e\u5e38\u5927\u7684\u60c5\u51b5\u4e0b\uff0c\u4ecd\u9700\u6ce8\u610f\u6027\u80fd\u95ee\u9898\u3002\u7279\u522b\u662f\u5728\u8fdb\u884c\u590d\u6742\u7684\u5217\u8868\u63a8\u5bfc\u5f0f\u64cd\u4f5c\u65f6\uff0c\u5e94\u786e\u4fdd\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n<\/p>\n<ol start=\"3\">\n<li>\u6570\u636e\u5b8c\u6574\u6027<\/li>\n<\/ol>\n<p><p>\u5728\u8f6c\u6362\u8fc7\u7a0b\u4e2d\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u6b63\u786e\u6027\u975e\u5e38\u91cd\u8981\u3002\u7279\u522b\u662f\u5728\u4f7f\u7528<code>items()<\/code>\u65b9\u6cd5\u65f6\uff0c\u786e\u4fdd\u7406\u89e3\u5143\u7ec4\u7ed3\u6784\uff0c\u4ee5\u907f\u514d\u5728\u540e\u7eed\u5904\u7406\u4e2d\u7684\u9519\u8bef\u3002<\/p>\n<\/p>\n<p><p>\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u5c06\u5b57\u5178\u8f6c\u6362\u4e3a\u5217\u8868\u662fPython\u6570\u636e\u5904\u7406\u4e2d\u7684\u5e38\u89c1\u9700\u6c42\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u7684\u4e0d\u540c\uff0c\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528<code>keys()<\/code>\u3001<code>values()<\/code>\u3001<code>items()<\/code>\u65b9\u6cd5\u6216\u5217\u8868\u63a8\u5bfc\u5f0f\u3002\u7406\u89e3\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f7f\u7528\u573a\u666f\u548c\u9002\u7528\u6027\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u9ad8\u6548\u5730\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u6ce8\u610f\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u6027\u80fd\u95ee\u9898\uff0c\u662f\u6210\u529f\u8fdb\u884c\u5b57\u5178\u5230\u5217\u8868\u8f6c\u6362\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5c06Python\u5b57\u5178\u4e2d\u7684\u952e\u8f6c\u6362\u4e3a\u5217\u8868\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>dict.keys()<\/code>\u65b9\u6cd5\u83b7\u53d6\u5b57\u5178\u7684\u6240\u6709\u952e\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">my_dict = {&#39;a&#39;: 1, &#39;b&#39;: 2, &#39;c&#39;: 3}\nkeys_list = list(my_dict.keys())\nprint(keys_list)  # \u8f93\u51fa: [&#39;a&#39;, &#39;b&#39;, &#39;c&#39;]\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u5b57\u5178\u5e76\u63d0\u53d6\u4e86\u5b83\u7684\u952e\uff0c\u7ed3\u679c\u662f\u4e00\u4e2a\u5217\u8868\u3002<\/p>\n<p><strong>\u600e\u6837\u4ece\u5b57\u5178\u4e2d\u63d0\u53d6\u503c\u5e76\u5c06\u5176\u5b58\u50a8\u4e3a\u5217\u8868\uff1f<\/strong><br \/>\u8981\u4ece\u5b57\u5178\u4e2d\u63d0\u53d6\u6240\u6709\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528<code>dict.values()<\/code>\u65b9\u6cd5\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002\u4ee5\u4e0b\u662f\u5b9e\u73b0\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">my_dict = {&#39;a&#39;: 1, &#39;b&#39;: 2, &#39;c&#39;: 3}\nvalues_list = list(my_dict.values())\nprint(values_list)  # \u8f93\u51fa: [1, 2, 3]\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u5b57\u5178\u4e2d\u7684\u503c\u63d0\u53d6\u51fa\u6765\uff0c\u5e76\u6210\u529f\u5730\u5b58\u50a8\u5728\u4e00\u4e2a\u5217\u8868\u4e2d\u3002<\/p>\n<p><strong>\u5982\u4f55\u5c06\u5b57\u5178\u7684\u952e\u503c\u5bf9\u8f6c\u6362\u4e3a\u5217\u8868\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528<code>dict.items()<\/code>\u65b9\u6cd5\u5c06\u5b57\u5178\u7684\u952e\u503c\u5bf9\u4f5c\u4e3a\u5143\u7ec4\u5b58\u50a8\u5728\u5217\u8868\u4e2d\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">my_dict = {&#39;a&#39;: 1, &#39;b&#39;: 2, &#39;c&#39;: 3}\nitems_list = list(my_dict.items())\nprint(items_list)  # \u8f93\u51fa: [(&#39;a&#39;, 1), (&#39;b&#39;, 2), (&#39;c&#39;, 3)]\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u540c\u65f6\u83b7\u53d6\u5b57\u5178\u7684\u6240\u6709\u952e\u548c\u503c\uff0c\u5e76\u4ee5\u5143\u7ec4\u7684\u5f62\u5f0f\u5b58\u50a8\u5728\u5217\u8868\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u5c06\u5b57\u5178\u8f6c\u6362\u4e3a\u5217\u8868\u7684\u51e0\u79cd\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528keys()\u65b9\u6cd5\u3001\u4f7f\u7528values()\u65b9\u6cd5\u3001\u4f7f\u7528items( [&hellip;]","protected":false},"author":3,"featured_media":1005570,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1005562"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1005562"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1005562\/revisions"}],"predecessor-version":[{"id":1005571,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1005562\/revisions\/1005571"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1005570"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1005562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1005562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1005562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}