{"id":175372,"date":"2024-05-08T18:50:32","date_gmt":"2024-05-08T10:50:32","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/175372.html"},"modified":"2024-05-08T18:50:48","modified_gmt":"2024-05-08T10:50:48","slug":"%e5%a6%82%e4%bd%95%e6%9c%80%e7%ae%80%e5%8d%95%e3%80%81%e9%80%9a%e4%bf%97%e5%9c%b0%e7%90%86%e8%a7%a3python%e7%9a%84%e6%9d%a1%e4%bb%b6%e8%a1%a8%e8%be%be%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/175372.html","title":{"rendered":"\u5982\u4f55\u6700\u7b80\u5355\u3001\u901a\u4fd7\u5730\u7406\u89e3Python\u7684\u6761\u4ef6\u8868\u8fbe\u5f0f"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27053242\/e4ce9f95-1784-4e83-923e-5f15e197967f.webp\" alt=\"\u5982\u4f55\u6700\u7b80\u5355\u3001\u901a\u4fd7\u5730\u7406\u89e3Python\u7684\u6761\u4ef6\u8868\u8fbe\u5f0f\" \/><\/p>\n<p><p>\u7b80\u5355\u901a\u4fd7\u5730\u7406\u89e3Python\u7684\u6761\u4ef6\u8868\u8fbe\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u628a\u5b83\u770b\u6210\u662f\u4e00\u4e2a\u57fa\u4e8e\u6761\u4ef6\u5224\u65ad\u7684\u201c\u9009\u62e9\u5668\u201d\uff0c<strong>\u6839\u636e\u6761\u4ef6\u7684\u771f\u5047\u9009\u62e9\u8fd4\u56de\u4e0d\u540c\u7684\u503c<\/strong>\u3002\u5177\u4f53\u6765\u8bf4\uff0cPython\u7684\u6761\u4ef6\u8868\u8fbe\u5f0f\u53ef\u4ee5\u5f52\u7eb3\u4e3a\u8fd9\u6837\u7684\u5f62\u5f0f\uff1a\u201c<code>X if C else Y<\/code>\u201d\uff0c\u5176\u4e2d\uff0c\u201cC\u201d\u4ee3\u8868\u6761\u4ef6\u5224\u65ad\uff0c\u201cX\u201d\u662f\u5f53\u6761\u4ef6\u4e3a\u771f\u65f6\u8fd4\u56de\u7684\u503c\uff0c\u800c\u201cY\u201d\u662f\u5f53\u6761\u4ef6\u4e3a\u5047\u65f6\u8fd4\u56de\u7684\u503c\u3002\u901a\u8fc7\u8fd9\u79cd\u7ed3\u6784\uff0c\u6211\u4eec\u80fd\u591f\u5728\u5355\u4e00\u884c\u5185\u5b8c\u6210\u7b80\u5355\u7684\u6761\u4ef6\u5224\u65ad\u548c\u503c\u9009\u62e9\uff0c\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3001\u6613\u8bfb\u3002\u5176\u4e2d<strong>\u6838\u5fc3\u7684\u4f18\u52bf\u662f\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7b80\u5316\u6761\u4ef6\u903b\u8f91\u7684\u7f16\u5199\u8fc7\u7a0b<\/strong>\u3002<\/p>\n<\/p>\n<p><p>\u4ee5\u4e00\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\u6765\u5c55\u5f00\u63cf\u8ff0\uff1a\u5047\u8bbe\u6211\u4eec\u5728\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\uff0c\u76ee\u7684\u662f\u5224\u65ad\u4e00\u4e2a\u4eba\u7684\u6210\u5e74\u72b6\u6001\u3002\u5728\u4f20\u7edf\u7684\u7f16\u7a0b\u903b\u8f91\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u4f7f\u7528<code>if-else<\/code>\u8bed\u53e5\u6765\u5b9e\u73b0\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">age = 20<\/p>\n<p>if age &gt;= 18:<\/p>\n<p>    status = &#039;\u6210\u5e74&#039;<\/p>\n<p>else:<\/p>\n<p>    status = &#039;\u672a\u6210\u5e74&#039;<\/p>\n<p>print(status)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u800c\u901a\u8fc7\u4f7f\u7528Python\u7684\u6761\u4ef6\u8868\u8fbe\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u4e0a\u8ff0\u4ee3\u7801\u7b80\u5316\u4e3a\u4e00\u884c\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">age = 20<\/p>\n<p>status = &#039;\u6210\u5e74&#039; if age &gt;= 18 else &#039;\u672a\u6210\u5e74&#039;<\/p>\n<p>print(status)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u80fd\u591f\u7528\u66f4\u4e3a\u7b80\u6d01\u7684\u65b9\u5f0f\u5b8c\u6210\u540c\u6837\u7684\u903b\u8f91\u5224\u65ad\u3002<\/p>\n<\/p>\n<p><h2>\u4e00\u3001PYTHON\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u4f7f\u7528<\/h2>\n<\/p>\n<p><p>\u6761\u4ef6\u8868\u8fbe\u5f0f\u662fPython\u4e2d\u975e\u5e38\u5f3a\u5927\u7684\u4e00\u4e2a\u7279\u6027\uff0c\u5b83\u5141\u8bb8\u5728\u5355\u4e00\u884c\u5185\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\u548c\u503c\u9009\u62e9\uff0c\u4ece\u800c\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u6613\u4e8e\u8bfb\u61c2\u3002\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u5f62\u5f0f\u662f:<code>X if C else Y<\/code>\u3002<\/p>\n<\/p>\n<p><h3>\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n<p><p>\u4e00\u4e2a\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\u662f\u5728\u5904\u7406\u6570\u636e\u65f6\uff0c\u6839\u636e\u67d0\u4e2a\u6761\u4ef6\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u7c7b\u6216\u8005\u8d4b\u4e88\u4e0d\u540c\u7684\u503c\u3002\u4f8b\u5982\uff0c\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u6839\u636e\u7528\u6237\u7684\u6d88\u8d39\u91d1\u989d\u6765\u7ed9\u7528\u6237\u6253\u4e0a\u4e0d\u540c\u7684\u6807\u7b7e\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">consumption = 500<\/p>\n<p>user_label = &#039;VIP&#039; if consumption &gt; 1000 else &#039;\u666e\u901a\u4f1a\u5458&#039;<\/p>\n<p>print(user_label)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u6761\u4ef6\u8868\u8fbe\u5f0f\uff0c\u6211\u4eec\u4e0d\u4ec5\u80fd\u591f\u51cf\u5c11\u4ee3\u7801\u91cf\uff0c\u8fd8\u80fd\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u9605\u8bfb\u6027\u3002<\/p>\n<\/p>\n<p><h3>\u8bed\u6cd5\u7279\u6027\u548c\u7075\u6d3b\u6027<\/h3>\n<\/p>\n<p><p>Python\u7684\u6761\u4ef6\u8868\u8fbe\u5f0f\u4e0d\u4ec5\u53ef\u4ee5\u5728\u7b80\u5355\u7684\u503c\u9009\u62e9\u4e2d\u4f7f\u7528\uff0c\u5b83\u7684\u7075\u6d3b\u6027\u8fd8\u4f53\u73b0\u5728\u53ef\u4ee5\u5d4c\u5957\u4f7f\u7528\uff0c\u8fdb\u884c\u66f4\u590d\u6742\u7684\u903b\u8f91\u5224\u65ad\u3002\u6bd4\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">age = 20<\/p>\n<p>is_student = True<\/p>\n<p>status = &#039;\u5b66\u751f\u6210\u5e74&#039; if age &gt;= 18 and is_student else &#039;\u6210\u5e74&#039; if age &gt;= 18 else &#039;\u672a\u6210\u5e74&#039;<\/p>\n<p>print(status)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e2a\u4f8b\u5b50\u5c55\u793a\u4e86\u5982\u4f55\u6839\u636e\u5e74\u9f84\u548c\u662f\u5426\u4e3a\u5b66\u751f\u7684\u6761\u4ef6\u8fdb\u884c\u590d\u6742\u7684\u5224\u65ad\u903b\u8f91\u3002\u901a\u8fc7\u5d4c\u5957\u6761\u4ef6\u8868\u8fbe\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7ec6\u81f4\u7684\u6761\u4ef6\u903b\u8f91\u63a7\u5236\u3002<\/p>\n<\/p>\n<p><h2>\u4e8c\u3001\u6df1\u5165\u7406\u89e3\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<\/p>\n<p><p>\u7406\u89e3\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u597d\u5730\u5229\u7528\u8fd9\u4e00\u7279\u6027\u7f16\u5199\u9ad8\u6548\u4e14\u6613\u4e8e\u7ef4\u62a4\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><h3>\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u6267\u884c\u6d41\u7a0b<\/h3>\n<\/p>\n<p><p>\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u6267\u884c\u6d41\u7a0b\u6bd4\u8f83\u76f4\u89c2\uff1a\u9996\u5148\u5bf9\u6761\u4ef6\u8fdb\u884c\u5224\u65ad\uff0c\u5982\u679c\u6761\u4ef6\u4e3a\u771f\uff08<code>True<\/code>\uff09\uff0c\u5219\u6267\u884c\u5e76\u8fd4\u56de<code>if<\/code>\u540e\u9762\u7684\u8868\u8fbe\u5f0f\u7ed3\u679c\uff1b\u5982\u679c\u6761\u4ef6\u4e3a\u5047\uff08<code>False<\/code>\uff09\uff0c\u5219\u6267\u884c\u5e76\u8fd4\u56de<code>else<\/code>\u540e\u9762\u7684\u8868\u8fbe\u5f0f\u7ed3\u679c\u3002\u6574\u4e2a\u8fc7\u7a0b\u5c31\u50cf\u662f\u4e00\u4e2a\u975e\u5e38\u7b80\u6d01\u7684<code>if-else<\/code>\u8bed\u53e5\u3002<\/p>\n<\/p>\n<p><h3>\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u6548\u7387\u5206\u6790<\/h3>\n<\/p>\n<p><p>\u4e00\u822c\u800c\u8a00\uff0c\u6761\u4ef6\u8868\u8fbe\u5f0f\u56e0\u4e3a\u907f\u514d\u4e86\u4f20\u7edf<code>if-else<\/code>\u8bed\u53e5\u4e2d\u53ef\u80fd\u5b58\u5728\u7684\u591a\u6b21\u8df3\u8f6c\u5224\u65ad\uff0c\u6240\u4ee5\u5728\u6267\u884c\u6548\u7387\u4e0a\u6709\u4e00\u5b9a\u7684\u4f18\u52bf\u3002\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\uff0c\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u53ef\u4ee5\u7a0d\u5fae\u63d0\u9ad8\u7a0b\u5e8f\u7684\u8fd0\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n<p><h2>\u4e09\u3001\u6761\u4ef6\u8868\u8fbe\u5f0f\u4e0e\u4f20\u7edf\u6761\u4ef6\u5224\u65ad\u7684\u6bd4\u8f83<\/h2>\n<\/p>\n<p><p>\u5c3d\u7ba1\u6761\u4ef6\u8868\u8fbe\u5f0f\u5728\u8bb8\u591a\u573a\u666f\u4e0b\u90fd\u5c55\u73b0\u51fa\u4e86\u5176\u4fbf\u5229\u6027\u548c\u9ad8\u6548\u6027\uff0c\u6211\u4eec\u4e5f\u9700\u8981\u7406\u89e3\u5b83\u4e0e\u4f20\u7edf\u6761\u4ef6\u5224\u65ad\uff08\u5982<code>if-else<\/code>\u8bed\u53e5\uff09\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u4fbf\u66f4\u52a0\u5408\u7406\u5730\u9009\u62e9\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><h3>\u8bed\u6cd5\u7b80\u6d01\u6027\u6bd4\u8f83<\/h3>\n<\/p>\n<p><p>\u6761\u4ef6\u8868\u8fbe\u5f0f\u6700\u5927\u7684\u4f18\u52bf\u4e4b\u4e00\u5c31\u662f\u5176\u8bed\u6cd5\u4e0a\u7684\u7b80\u6d01\u3002\u5728\u9700\u8981\u8fdb\u884c\u7b80\u5355\u7684\u6761\u4ef6\u5224\u65ad\u548c\u503c\u9009\u62e9\u65f6\uff0c\u6761\u4ef6\u8868\u8fbe\u5f0f\u53ef\u4ee5\u663e\u8457\u7f29\u51cf\u4ee3\u7801\u91cf\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<p><h3>\u9002\u7528\u573a\u666f\u5206\u6790<\/h3>\n<\/p>\n<p><p>\u867d\u7136\u6761\u4ef6\u8868\u8fbe\u5f0f\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f46\u5b83\u5e76\u4e0d\u603b\u662f\u5b8c\u7f8e\u9002\u7528\u7684\u3002\u5728\u9762\u5bf9\u590d\u6742\u7684\u903b\u8f91\u5224\u65ad\u65f6\uff0c\u8fc7\u591a\u7684\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u53ef\u80fd\u4f1a\u8ba9\u4ee3\u7801\u53d8\u5f97\u96be\u4ee5\u7406\u89e3\u548c\u7ef4\u62a4\u3002\u56e0\u6b64\uff0c\u5728\u5904\u7406\u590d\u6742\u903b\u8f91\u65f6\uff0c\u4f20\u7edf\u7684<code>if-else<\/code>\u8bed\u53e5\u53ef\u80fd\u66f4\u52a0\u5408\u9002\u3002<\/p>\n<\/p>\n<p><h2>\u56db\u3001\u5b9e\u6218\u6280\u5de7\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h2>\n<\/p>\n<p><p>\u638c\u63e1\u4e86\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u77e5\u8bc6\u548c\u4f7f\u7528\u65b9\u6cd5\u540e\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u5b9e\u6218\u6280\u5de7\u548c\u6700\u4f73\u5b9e\u8df5\u6765\u8fdb\u4e00\u6b65\u63d0\u9ad8\u7f16\u7a0b\u6548\u7387\u3002<\/p>\n<\/p>\n<p><h3>\u5e94\u7528\u6280\u5de7<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u6761\u4ef6\u8868\u8fbe\u5f0f\u4e0ePython\u7684\u5176\u4ed6\u7279\u6027\u7ed3\u5408\u4f7f\u7528\uff0c\u4f8b\u5982\uff0c\u4e0e\u5217\u8868\u89e3\u6790\uff08List Comprehension\uff09\u3001\u5b57\u5178\u63a8\u5bfc\u5f0f\uff08Dictionary Comprehension\uff09\u7b49\u7ed3\u5408\uff0c\u5b9e\u73b0\u66f4\u4e3a\u5f3a\u5927\u4e14\u9ad8\u6548\u7684\u6570\u636e\u5904\u7406\u903b\u8f91\u3002<\/p>\n<\/p>\n<p><h3>\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n<p><p>\u4f5c\u4e3a\u4e00\u4e2a\u6700\u4f73\u5b9e\u8df5\uff0c\u6211\u4eec\u5e94\u5f53\u5728\u4fdd\u8bc1\u4ee3\u7801\u53ef\u8bfb\u6027\u7684\u524d\u63d0\u4e0b\uff0c\u5408\u7406\u9009\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u3002\u9488\u5bf9\u7b80\u5355\u903b\u8f91\u7684\u5224\u65ad\u548c\u503c\u9009\u62e9\uff0c\u4f18\u5148\u8003\u8651\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\uff1b\u800c\u9762\u5bf9\u590d\u6742\u7684\u6761\u4ef6\u903b\u8f91\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u7ed3\u5408\u4f7f\u7528\u4f20\u7edf\u7684\u6761\u4ef6\u5224\u65ad\u8bed\u53e5\uff0c\u4ee5\u4fdd\u6301\u4ee3\u7801\u7684\u6e05\u6670\u548c\u6613\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u5185\u5bb9\uff0c\u6211\u4eec\u4e0d\u4ec5\u53ef\u4ee5\u7b80\u5355\u901a\u4fd7\u5730\u7406\u89e3Python\u7684\u6761\u4ef6\u8868\u8fbe\u5f0f\uff0c\u8fd8\u80fd\u6df1\u5165\u638c\u63e1\u5176\u4f7f\u7528\u6280\u5de7\u548c\u5e94\u7528\u573a\u666f\uff0c\u8fdb\u800c\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u66f4\u52a0\u5f97\u5fc3\u5e94\u624b\u5730\u4f7f\u7528\u5b83\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. 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