{"id":1025664,"date":"2024-12-31T10:35:59","date_gmt":"2024-12-31T02:35:59","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1025664.html"},"modified":"2024-12-31T10:36:02","modified_gmt":"2024-12-31T02:36:02","slug":"python-if%e8%af%ad%e5%8f%a5%e5%a6%82%e4%bd%95%e5%86%99%e5%b9%b6%e5%88%97%e6%9d%a1%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1025664.html","title":{"rendered":"python if\u8bed\u53e5\u5982\u4f55\u5199\u5e76\u5217\u6761\u4ef6"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/cc8db004-0b94-4842-bbd0-2012363fedcd.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"python if\u8bed\u53e5\u5982\u4f55\u5199\u5e76\u5217\u6761\u4ef6\" \/><\/p>\n<p><p> <strong>Python if\u8bed\u53e5\u7684\u5e76\u5217\u6761\u4ef6\u53ef\u4ee5\u4f7f\u7528\u903b\u8f91\u8fd0\u7b97\u7b26\u201cand\u201d\u3001\u201cor\u201d\u6765\u5b9e\u73b0<\/strong>\u3001<strong>\u4f7f\u7528\u62ec\u53f7\u6765\u660e\u786e\u6761\u4ef6\u7684\u4f18\u5148\u7ea7<\/strong>\u3001<strong>\u5c06\u591a\u4e2a\u6761\u4ef6\u5199\u5728\u540c\u4e00\u884c\u4ee3\u7801\u4e2d<\/strong>\u3001<strong>\u5229\u7528elif\u6765\u8fdb\u884c\u591a\u6761\u4ef6\u5224\u65ad<\/strong>\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u201cand\u201d\u548c\u201cor\u201d\u8fd0\u7b97\u7b26\u6765\u8fde\u63a5\u591a\u4e2a\u6761\u4ef6\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u76f8\u5173\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528\u903b\u8f91\u8fd0\u7b97\u7b26\u201cand\u201d\u3001\u201cor\u201d<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u903b\u8f91\u8fd0\u7b97\u7b26\u201cand\u201d\u548c\u201cor\u201d\u6765\u5b9e\u73b0if\u8bed\u53e5\u7684\u5e76\u5217\u6761\u4ef6\u3002\u903b\u8f91\u8fd0\u7b97\u7b26\u201cand\u201d\u7528\u4e8e\u5728\u6240\u6709\u6761\u4ef6\u90fd\u4e3aTrue\u65f6\u8fd4\u56deTrue\uff0c\u800c\u903b\u8f91\u8fd0\u7b97\u7b26\u201cor\u201d\u7528\u4e8e\u5728\u4efb\u610f\u4e00\u4e2a\u6761\u4ef6\u4e3aTrue\u65f6\u8fd4\u56deTrue\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>a = 10<\/p>\n<p>b = 20<\/p>\n<p>c = 30<\/p>\n<h2><strong>and\u8fd0\u7b97\u7b26<\/strong><\/h2>\n<p>if a &gt; 5 and b &lt; 25:<\/p>\n<p>    print(&quot;Both conditions are True&quot;)<\/p>\n<h2><strong>or\u8fd0\u7b97\u7b26<\/strong><\/h2>\n<p>if a &gt; 5 or c &lt; 25:<\/p>\n<p>    print(&quot;At least one condition is True&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u4e86\u201cand\u201d\u548c\u201cor\u201d\u8fd0\u7b97\u7b26\u6765\u5b9e\u73b0\u5e76\u5217\u6761\u4ef6\u5224\u65ad\u3002\u7b2c\u4e00\u4e2aif\u8bed\u53e5\u4e2d\uff0c\u53ea\u6709\u5f53a\u5927\u4e8e5\u4e14b\u5c0f\u4e8e25\u65f6\uff0c\u6761\u4ef6\u624d\u4e3aTrue\u3002\u7b2c\u4e8c\u4e2aif\u8bed\u53e5\u4e2d\uff0c\u53ea\u8981a\u5927\u4e8e5\u6216c\u5c0f\u4e8e25\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\u6761\u4ef6\u4e3aTrue\uff0c\u6761\u4ef6\u5c31\u4e3aTrue\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528\u62ec\u53f7\u6765\u660e\u786e\u6761\u4ef6\u7684\u4f18\u5148\u7ea7<\/h3>\n<\/p>\n<p><p>\u5728\u590d\u6742\u7684\u6761\u4ef6\u5224\u65ad\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u62ec\u53f7\u6765\u660e\u786e\u6761\u4ef6\u7684\u4f18\u5148\u7ea7\uff0c\u786e\u4fdd\u6761\u4ef6\u80fd\u591f\u6309\u7167\u9884\u671f\u8fdb\u884c\u8bc4\u4f30\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>a = 10<\/p>\n<p>b = 20<\/p>\n<p>c = 30<\/p>\n<p>if (a &gt; 5 and b &lt; 25) or c == 30:<\/p>\n<p>    print(&quot;Condition is True&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u4e86\u62ec\u53f7\u6765\u660e\u786e\u6761\u4ef6\u7684\u4f18\u5148\u7ea7\u3002\u6761\u4ef6\u5224\u65ad\u5c06\u9996\u5148\u8bc4\u4f30\u62ec\u53f7\u5185\u7684\u6761\u4ef6\uff0c\u7136\u540e\u518d\u4e0e\u62ec\u53f7\u5916\u7684\u6761\u4ef6\u8fdb\u884c\u903b\u8f91\u8fd0\u7b97\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u5c06\u591a\u4e2a\u6761\u4ef6\u5199\u5728\u540c\u4e00\u884c\u4ee3\u7801\u4e2d<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u5c06\u591a\u4e2a\u6761\u4ef6\u5199\u5728\u540c\u4e00\u884c\u4ee3\u7801\u4e2d\uff0c\u4ee5\u5b9e\u73b0\u5e76\u5217\u6761\u4ef6\u5224\u65ad\u3002\u8fd9\u6837\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u6613\u8bfb\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>a = 10<\/p>\n<p>b = 20<\/p>\n<p>c = 30<\/p>\n<p>if a &gt; 5 and b &lt; 25 and c == 30:<\/p>\n<p>    print(&quot;All conditions are True&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u4e86and\u8fd0\u7b97\u7b26\u5c06\u591a\u4e2a\u6761\u4ef6\u5199\u5728\u540c\u4e00\u884c\u4ee3\u7801\u4e2d\uff0c\u53ea\u6709\u5f53\u6240\u6709\u6761\u4ef6\u90fd\u4e3aTrue\u65f6\uff0c\u6761\u4ef6\u5224\u65ad\u624d\u4e3aTrue\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u5229\u7528elif\u6765\u8fdb\u884c\u591a\u6761\u4ef6\u5224\u65ad<\/h3>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528elif\u6765\u8fdb\u884c\u591a\u6761\u4ef6\u5224\u65ad\u3002\u867d\u7136\u8fd9\u4e0d\u662f\u5e76\u5217\u6761\u4ef6\uff0c\u4f46\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3c\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>a = 10<\/p>\n<p>b = 20<\/p>\n<p>c = 30<\/p>\n<p>if a &gt; 5:<\/p>\n<p>    print(&quot;a is greater than 5&quot;)<\/p>\n<p>elif b &lt; 25:<\/p>\n<p>    print(&quot;b is less than 25&quot;)<\/p>\n<p>elif c == 30:<\/p>\n<p>    print(&quot;c is equal to 30&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u4e86elif\u6765\u8fdb\u884c\u591a\u6761\u4ef6\u5224\u65ad\u3002\u7a0b\u5e8f\u5c06\u4f9d\u6b21\u8bc4\u4f30\u6bcf\u4e2a\u6761\u4ef6\uff0c\u5e76\u5728\u7b2c\u4e00\u4e2a\u6761\u4ef6\u4e3aTrue\u65f6\u6267\u884c\u76f8\u5e94\u7684\u4ee3\u7801\u5757\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f8b\u5b50<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3Python if\u8bed\u53e5\u5982\u4f55\u5199\u5e76\u5217\u6761\u4ef6\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f8b\u5b50\u3002<\/p>\n<\/p>\n<p><h4>1. \u5224\u65ad\u7528\u6237\u8f93\u5165\u7684\u5e74\u9f84\u662f\u5426\u5728\u6709\u6548\u8303\u56f4\u5185<\/h4>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5224\u65ad\u7528\u6237\u8f93\u5165\u7684\u5e74\u9f84\u662f\u5426\u5728\u67d0\u4e2a\u6709\u6548\u8303\u56f4\u5185\u3002\u53ef\u4ee5\u4f7f\u7528\u5e76\u5217\u6761\u4ef6\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>age = int(input(&quot;\u8bf7\u8f93\u5165\u4f60\u7684\u5e74\u9f84: &quot;))<\/p>\n<p>if age &gt;= 18 and age &lt;= 60:<\/p>\n<p>    print(&quot;\u4f60\u7684\u5e74\u9f84\u5728\u6709\u6548\u8303\u56f4\u5185&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u4f60\u7684\u5e74\u9f84\u4e0d\u5728\u6709\u6548\u8303\u56f4\u5185&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u4e86and\u8fd0\u7b97\u7b26\u6765\u5224\u65ad\u7528\u6237\u8f93\u5165\u7684\u5e74\u9f84\u662f\u5426\u572818\u523060\u5c81\u4e4b\u95f4\u3002\u53ea\u6709\u5f53\u5e74\u9f84\u5728\u6709\u6548\u8303\u56f4\u5185\u65f6\uff0c\u6761\u4ef6\u5224\u65ad\u624d\u4e3aTrue\u3002<\/p>\n<\/p>\n<p><h4>2. \u5224\u65ad\u7528\u6237\u8f93\u5165\u7684\u6210\u7ee9\u662f\u5426\u53ca\u683c<\/h4>\n<\/p>\n<p><p>\u5728\u6559\u80b2\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5224\u65ad\u5b66\u751f\u7684\u6210\u7ee9\u662f\u5426\u53ca\u683c\u3002\u53ef\u4ee5\u4f7f\u7528\u5e76\u5217\u6761\u4ef6\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>grade = float(input(&quot;\u8bf7\u8f93\u5165\u4f60\u7684\u6210\u7ee9: &quot;))<\/p>\n<p>if grade &gt;= 60 and grade &lt;= 100:<\/p>\n<p>    print(&quot;\u4f60\u7684\u6210\u7ee9\u53ca\u683c&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u4f60\u7684\u6210\u7ee9\u4e0d\u53ca\u683c&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u4e86and\u8fd0\u7b97\u7b26\u6765\u5224\u65ad\u7528\u6237\u8f93\u5165\u7684\u6210\u7ee9\u662f\u5426\u572860\u5230100\u5206\u4e4b\u95f4\u3002\u53ea\u6709\u5f53\u6210\u7ee9\u5728\u53ca\u683c\u8303\u56f4\u5185\u65f6\uff0c\u6761\u4ef6\u5224\u65ad\u624d\u4e3aTrue\u3002<\/p>\n<\/p>\n<p><h4>3. \u5224\u65ad\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u5143\u97f3\u5b57\u6bcd<\/h4>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5224\u65ad\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u5143\u97f3\u5b57\u6bcd\u3002\u53ef\u4ee5\u4f7f\u7528\u5e76\u5217\u6761\u4ef6\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>char = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26: &quot;).lower()<\/p>\n<p>if char == &#39;a&#39; or char == &#39;e&#39; or char == &#39;i&#39; or char == &#39;o&#39; or char == &#39;u&#39;:<\/p>\n<p>    print(&quot;\u4f60\u8f93\u5165\u7684\u662f\u5143\u97f3\u5b57\u6bcd&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u4f60\u8f93\u5165\u7684\u4e0d\u662f\u5143\u97f3\u5b57\u6bcd&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u4e86or\u8fd0\u7b97\u7b26\u6765\u5224\u65ad\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u5143\u97f3\u5b57\u6bcd\u3002\u53ea\u8981\u8f93\u5165\u7684\u5b57\u7b26\u662fa\u3001e\u3001i\u3001o\u3001u\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\uff0c\u6761\u4ef6\u5224\u65ad\u5c31\u4e3aTrue\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u4f7f\u7528Python\u5185\u7f6e\u7684any()\u548call()\u51fd\u6570<\/h3>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u5185\u7f6e\u7684any()\u548call()\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u4e8e\u7b80\u5316\u5e76\u5217\u6761\u4ef6\u5224\u65ad\u3002any()\u51fd\u6570\u7528\u4e8e\u5224\u65ad\u4efb\u610f\u4e00\u4e2a\u6761\u4ef6\u4e3aTrue\u65f6\u8fd4\u56deTrue\uff0c\u800call()\u51fd\u6570\u7528\u4e8e\u5224\u65ad\u6240\u6709\u6761\u4ef6\u90fd\u4e3aTrue\u65f6\u8fd4\u56deTrue\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>a = 10<\/p>\n<p>b = 20<\/p>\n<p>c = 30<\/p>\n<h2><strong>\u4f7f\u7528all()\u51fd\u6570<\/strong><\/h2>\n<p>if all([a &gt; 5, b &lt; 25, c == 30]):<\/p>\n<p>    print(&quot;All conditions are True&quot;)<\/p>\n<h2><strong>\u4f7f\u7528any()\u51fd\u6570<\/strong><\/h2>\n<p>if any([a &gt; 5, c &lt; 25]):<\/p>\n<p>    print(&quot;At least one condition is True&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u4e86all()\u51fd\u6570\u548cany()\u51fd\u6570\u6765\u5b9e\u73b0\u5e76\u5217\u6761\u4ef6\u5224\u65ad\u3002all()\u51fd\u6570\u7528\u4e8e\u5224\u65ad\u6240\u6709\u6761\u4ef6\u90fd\u4e3aTrue\u65f6\u8fd4\u56deTrue\uff0c\u800cany()\u51fd\u6570\u7528\u4e8e\u5224\u65ad\u4efb\u610f\u4e00\u4e2a\u6761\u4ef6\u4e3aTrue\u65f6\u8fd4\u56deTrue\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86Python if\u8bed\u53e5\u5982\u4f55\u5199\u5e76\u5217\u6761\u4ef6\u7684\u65b9\u6cd5\u3002\u4e3b\u8981\u5305\u62ec\u4f7f\u7528\u903b\u8f91\u8fd0\u7b97\u7b26\u201cand\u201d\u3001\u201cor\u201d\uff0c\u4f7f\u7528\u62ec\u53f7\u6765\u660e\u786e\u6761\u4ef6\u7684\u4f18\u5148\u7ea7\uff0c\u5c06\u591a\u4e2a\u6761\u4ef6\u5199\u5728\u540c\u4e00\u884c\u4ee3\u7801\u4e2d\uff0c\u5229\u7528elif\u8fdb\u884c\u591a\u6761\u4ef6\u5224\u65ad\uff0c\u4ee5\u53ca\u4f7f\u7528Python\u5185\u7f6e\u7684any()\u548call()\u51fd\u6570\u3002\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7075\u6d3b\u591a\u6837\u7684\u5e76\u5217\u6761\u4ef6\u5224\u65ad\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u5e76\u5217\u6761\u4ef6\u5224\u65ad\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528if\u8bed\u53e5\u5904\u7406\u591a\u4e2a\u6761\u4ef6\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u903b\u8f91\u8fd0\u7b97\u7b26\uff08\u5982<code>and<\/code>\u548c<code>or<\/code>\uff09\u6765\u5904\u7406\u591a\u4e2a\u6761\u4ef6\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>if condition1 and condition2:<\/code>\u53ef\u4ee5\u786e\u4fdd\u53ea\u6709\u5f53\u4e24\u4e2a\u6761\u4ef6\u90fd\u4e3a\u771f\u65f6\uff0c\u4ee3\u7801\u5757\u624d\u4f1a\u6267\u884c\u3002\u76f8\u53cd\uff0c\u4f7f\u7528<code>if condition1 or condition2:<\/code>\u5219\u8868\u793a\u53ea\u8981\u5176\u4e2d\u4e00\u4e2a\u6761\u4ef6\u4e3a\u771f\uff0c\u4ee3\u7801\u5757\u5c31\u4f1a\u6267\u884c\u3002\u4e86\u89e3\u8fd9\u4e9b\u903b\u8f91\u8fd0\u7b97\u7b26\u5bf9\u4e8e\u7f16\u5199\u590d\u6742\u7684\u6761\u4ef6\u5224\u65ad\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\uff0c\u5982\u4f55\u63d0\u9ad8if\u8bed\u53e5\u7684\u53ef\u8bfb\u6027\uff1f<\/strong><br \/>\u4e3a\u4e86\u589e\u5f3aif\u8bed\u53e5\u7684\u53ef\u8bfb\u6027\uff0c\u53ef\u4ee5\u91c7\u7528\u4e00\u4e9b\u826f\u597d\u7684\u7f16\u7801\u4e60\u60ef\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u62ec\u53f7\u6765\u660e\u786e\u6761\u4ef6\u7684\u4f18\u5148\u7ea7\uff0c\u6216\u8005\u5c06\u590d\u6742\u6761\u4ef6\u62c6\u5206\u6210\u591a\u4e2a\u7b80\u5355\u7684\u6761\u4ef6\u3002\u6b64\u5916\uff0c\u9002\u5f53\u7684\u6ce8\u91ca\u548c\u6e05\u6670\u7684\u53d8\u91cf\u547d\u540d\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u6613\u4e8e\u7406\u89e3\u3002\u8fd9\u4e0d\u4ec5\u6709\u52a9\u4e8e\u81ea\u5df1\u65e5\u540e\u56de\u987e\u4ee3\u7801\uff0c\u4e5f\u65b9\u4fbf\u5176\u4ed6\u5f00\u53d1\u8005\u7684\u9605\u8bfb\u548c\u7ef4\u62a4\u3002<\/p>\n<p><strong>\u5728if\u8bed\u53e5\u4e2d\uff0c\u662f\u5426\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u6216\u5b57\u5178\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\uff1f<\/strong><br \/>\u7edd\u5bf9\u53ef\u4ee5\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528<code>in<\/code>\u5173\u952e\u5b57\u6765\u5224\u65ad\u4e00\u4e2a\u503c\u662f\u5426\u5728\u5217\u8868\u6216\u5b57\u5178\u7684\u952e\u4e2d\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>if value in my_list:<\/code>\u6765\u68c0\u67e5\u67d0\u4e2a\u503c\u662f\u5426\u5728\u5217\u8868\u4e2d\u3002\u6b64\u5916\uff0c\u5bf9\u4e8e\u5b57\u5178\uff0c\u53ef\u4ee5\u4f7f\u7528<code>if key in my_dict:<\/code>\u6765\u68c0\u6d4b\u67d0\u4e2a\u952e\u662f\u5426\u5b58\u5728\u3002\u8fd9\u79cd\u65b9\u5f0f\u7b80\u5316\u4e86\u4ee3\u7801\uff0c\u63d0\u9ad8\u4e86\u903b\u8f91\u5224\u65ad\u7684\u6548\u7387\uff0c\u4f7f\u5f97\u6761\u4ef6\u5224\u65ad\u66f4\u52a0\u7075\u6d3b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python if\u8bed\u53e5\u7684\u5e76\u5217\u6761\u4ef6\u53ef\u4ee5\u4f7f\u7528\u903b\u8f91\u8fd0\u7b97\u7b26\u201cand\u201d\u3001\u201cor\u201d\u6765\u5b9e\u73b0\u3001\u4f7f\u7528\u62ec\u53f7\u6765\u660e\u786e\u6761\u4ef6\u7684\u4f18\u5148\u7ea7\u3001\u5c06\u591a [&hellip;]","protected":false},"author":3,"featured_media":1025678,"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\/1025664"}],"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=1025664"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1025664\/revisions"}],"predecessor-version":[{"id":1025683,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1025664\/revisions\/1025683"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1025678"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1025664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1025664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1025664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}