{"id":1013286,"date":"2024-12-27T11:46:36","date_gmt":"2024-12-27T03:46:36","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1013286.html"},"modified":"2024-12-27T11:46:39","modified_gmt":"2024-12-27T03:46:39","slug":"python%e5%a6%82%e4%bd%95%e8%a7%84%e5%ae%9a%e5%8f%98%e9%87%8f%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1013286.html","title":{"rendered":"python\u5982\u4f55\u89c4\u5b9a\u53d8\u91cf\u7c7b\u578b"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25090749\/0d3932e5-d130-4e55-bd06-538b14f0f9a3.webp\" alt=\"python\u5982\u4f55\u89c4\u5b9a\u53d8\u91cf\u7c7b\u578b\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u53d8\u91cf\u7c7b\u578b\u662f\u52a8\u6001\u7684\uff0c\u610f\u5473\u7740\u53d8\u91cf\u7684\u7c7b\u578b\u662f\u5728\u8fd0\u884c\u65f6\u786e\u5b9a\u7684\uff0cPython\u672c\u8eab\u4e0d\u9700\u8981\u663e\u5f0f\u5730\u58f0\u660e\u53d8\u91cf\u7c7b\u578b\u3001\u53ef\u4ee5\u901a\u8fc7\u7c7b\u578b\u6ce8\u89e3\u63d0\u4f9b\u7c7b\u578b\u63d0\u793a\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5de5\u5177\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5\u3002<\/strong>Python\u7684\u52a8\u6001\u7c7b\u578b\u7279\u6027\u5141\u8bb8\u7a0b\u5e8f\u5458\u5728\u4e0d\u663e\u5f0f\u58f0\u660e\u53d8\u91cf\u7c7b\u578b\u7684\u60c5\u51b5\u4e0b\u7f16\u5199\u4ee3\u7801\uff0c\u8fd9\u4f7f\u5f97\u5f00\u53d1\u8fc7\u7a0b\u66f4\u7075\u6d3b\uff0c\u4f46\u540c\u65f6\u4e5f\u53ef\u80fd\u5bfc\u81f4\u8fd0\u884c\u65f6\u9519\u8bef\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cPython 3.5\u5f15\u5165\u4e86\u7c7b\u578b\u6ce8\u89e3\uff0c\u53ef\u4ee5\u4e3a\u53d8\u91cf\u63d0\u4f9b\u7c7b\u578b\u63d0\u793a\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5de5\u5177\u5982Mypy\uff0c\u53ef\u4ee5\u5728\u4e0d\u8fd0\u884c\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u9759\u6001\u7c7b\u578b\u68c0\u67e5\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n<p><p>\u7c7b\u578b\u6ce8\u89e3\u4e0d\u4ec5\u4ec5\u662f\u4e3a\u4e86\u63d0\u9ad8\u53ef\u8bfb\u6027\uff0c\u5b83\u8fd8\u4e3aIDE\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u652f\u6301\uff0c\u4f7f\u5f97\u81ea\u52a8\u8865\u5168\u548c\u9519\u8bef\u68c0\u67e5\u66f4\u52a0\u51c6\u786e\u3002\u8fd9\u79cd\u7c7b\u578b\u7cfb\u7edf\u7684\u7075\u6d3b\u6027\u662fPython\u7684\u4e00\u5927\u4f18\u52bf\uff0c\u7279\u522b\u662f\u5728\u5feb\u901f\u5f00\u53d1\u548c\u539f\u578b\u8bbe\u8ba1\u8fc7\u7a0b\u4e2d\u3002\u7136\u800c\uff0c\u5728\u5927\u578b\u9879\u76ee\u4e2d\uff0c\u7c7b\u578b\u6ce8\u89e3\u548c\u68c0\u67e5\u5de5\u5177\u7684\u4f7f\u7528\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u9519\u8bef\u53d1\u751f\uff0c\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\u548c\u56e2\u961f\u534f\u4f5c\u6548\u7387\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u52a8\u6001\u7c7b\u578b\u7279\u6027<\/p>\n<\/p>\n<p><p>Python\u662f\u4e00\u79cd\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\uff0c\u8fd9\u610f\u5473\u7740\u53d8\u91cf\u5728\u9996\u6b21\u8d4b\u503c\u65f6\u88ab\u9690\u5f0f\u5730\u8d4b\u4e88\u4e00\u4e2a\u7c7b\u578b\uff0c\u800c\u4e0d\u9700\u8981\u663e\u5f0f\u58f0\u660e\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97Python\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u7075\u6d3b\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">x = 10  # x \u662f\u4e00\u4e2a\u6574\u6570<\/p>\n<p>x = &quot;Hello&quot;  # x \u73b0\u5728\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u7279\u6027\u867d\u7136\u7075\u6d3b\uff0c\u4f46\u4e5f\u53ef\u80fd\u5bfc\u81f4\u7c7b\u578b\u76f8\u5173\u7684\u9519\u8bef\uff0c\u7279\u522b\u662f\u5728\u5927\u578b\u4ee3\u7801\u5e93\u4e2d\uff0c\u7406\u89e3\u548c\u7ef4\u62a4\u4ee3\u7801\u53d8\u5f97\u66f4\u52a0\u56f0\u96be\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u7c7b\u578b\u6ce8\u89e3<\/p>\n<\/p>\n<p><p>Python 3.5\u5f15\u5165\u4e86\u7c7b\u578b\u6ce8\u89e3\uff0c\u5b83\u4e3a\u53d8\u91cf\u3001\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u63d0\u4f9b\u4e86\u7c7b\u578b\u63d0\u793a\u3002\u8fd9\u79cd\u63d0\u793a\u4e0d\u4f1a\u5f71\u54cd\u4ee3\u7801\u7684\u6267\u884c\uff0c\u4f46\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u53d8\u91cf\u7c7b\u578b\u6ce8\u89e3<\/strong><\/li>\n<\/ol>\n<p><p>\u53ef\u4ee5\u5728\u53d8\u91cf\u540d\u540e\u4f7f\u7528\u5192\u53f7\u548c\u7c7b\u578b\u6765\u6dfb\u52a0\u7c7b\u578b\u6ce8\u89e3\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">age: int = 25<\/p>\n<p>name: str = &quot;Alice&quot;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u6ce8\u89e3\u65b9\u5f0f\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u7406\u89e3\u4ee3\u7801\u7684\u610f\u56fe\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u51fd\u6570\u7c7b\u578b\u6ce8\u89e3<\/strong><\/li>\n<\/ol>\n<p><p>\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7c7b\u578b\u6ce8\u89e3\u3002\u8fd9\u6837\u53ef\u4ee5\u66f4\u6e05\u6670\u5730\u8868\u8fbe\u51fd\u6570\u7684\u8f93\u5165\u548c\u8f93\u51fa\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def greet(name: str) -&gt; str:<\/p>\n<p>    return f&quot;Hello, {name}&quot;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u6ce8\u89e3\u4e0d\u4ec5\u4e3a\u7a0b\u5e8f\u5458\u63d0\u4f9b\u4e86\u6587\u6863\u5316\u7684\u529f\u80fd\uff0c\u8fd8\u53ef\u4ee5\u5e2e\u52a9IDE\u8fdb\u884c\u667a\u80fd\u63d0\u793a\u548c\u9519\u8bef\u68c0\u67e5\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u4f7f\u7528Mypy\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5<\/p>\n<\/p>\n<p><p>\u867d\u7136Python\u7684\u7c7b\u578b\u6ce8\u89e3\u4e0d\u4f1a\u5f71\u54cd\u7a0b\u5e8f\u7684\u6267\u884c\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u5982Mypy\u8fdb\u884c\u9759\u6001\u7c7b\u578b\u68c0\u67e5\u3002\u8fd9\u79cd\u68c0\u67e5\u53ef\u4ee5\u5728\u4e0d\u8fd0\u884c\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u53d1\u73b0\u6f5c\u5728\u7684\u7c7b\u578b\u9519\u8bef\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u5b89\u88c5Mypy<\/strong><\/li>\n<\/ol>\n<p><p>\u9996\u5148\uff0c\u901a\u8fc7pip\u5b89\u88c5Mypy\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install mypy<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u4f7f\u7528Mypy\u68c0\u67e5\u4ee3\u7801<\/strong><\/li>\n<\/ol>\n<p><p>\u901a\u8fc7\u547d\u4ee4\u884c\u8fd0\u884cMypy\u6765\u68c0\u67e5\u4ee3\u7801\u4e2d\u7684\u7c7b\u578b\u95ee\u9898\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">mypy your_script.py<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>Mypy\u5c06\u626b\u63cf\u4ee3\u7801\u5e76\u62a5\u544a\u4efb\u4f55\u7c7b\u578b\u4e0d\u5339\u914d\u7684\u95ee\u9898\uff0c\u4ece\u800c\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u65e9\u671f\u9636\u6bb5\u53d1\u73b0\u9519\u8bef\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u7c7b\u578b\u6ce8\u89e3\u7684\u4f18\u52bf\u4e0e\u5c40\u9650\u6027<\/p>\n<\/p>\n<ol>\n<li><strong>\u4f18\u52bf<\/strong><\/li>\n<\/ol>\n<p><p>\u7c7b\u578b\u6ce8\u89e3\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u4f7f\u5f97\u4ee3\u7801\u610f\u56fe\u66f4\u52a0\u660e\u786e\u3002\u5b83\u8fd8\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u5de5\u5177\u652f\u6301\uff0c\u7279\u522b\u662f\u5728\u5927\u578b\u9879\u76ee\u4e2d\uff0c\u7c7b\u578b\u6ce8\u89e3\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u5c40\u9650\u6027<\/strong><\/li>\n<\/ol>\n<p><p>\u7c7b\u578b\u6ce8\u89e3\u662f\u53ef\u9009\u7684\uff0c\u800c\u4e14\u4e0d\u80fd\u4fdd\u8bc1\u4ee3\u7801\u7684\u6b63\u786e\u6027\u3002Python\u7684\u52a8\u6001\u7279\u6027\u4ecd\u7136\u5b58\u5728\uff0c\u7c7b\u578b\u6ce8\u89e3\u53ea\u662f\u63d0\u4f9b\u4e86\u4e00\u4e2a\u989d\u5916\u7684\u5c42\u6b21\u6765\u5e2e\u52a9\u5f00\u53d1\u8005\u7406\u89e3\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u7c7b\u578b\u6ce8\u89e3\u5728\u5b9e\u8df5\u4e2d\u7684\u5e94\u7528<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u7c7b\u578b\u6ce8\u89e3\u53ef\u4ee5\u7528\u4e8e\u591a\u4e2a\u65b9\u9762\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\u548c\u5f00\u53d1\u6548\u7387\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u6587\u6863\u5316<\/strong><\/li>\n<\/ol>\n<p><p>\u7c7b\u578b\u6ce8\u89e3\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u79cd\u6587\u6863\u5316\u5de5\u5177\uff0c\u5e2e\u52a9\u56e2\u961f\u6210\u5458\u66f4\u597d\u5730\u7406\u89e3\u4ee3\u7801\uff0c\u51cf\u5c11\u6c9f\u901a\u6210\u672c\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u4ee3\u7801\u91cd\u6784<\/strong><\/li>\n<\/ol>\n<p><p>\u5728\u4ee3\u7801\u91cd\u6784\u8fc7\u7a0b\u4e2d\uff0c\u7c7b\u578b\u6ce8\u89e3\u53ef\u4ee5\u5e2e\u52a9\u8bc6\u522b\u54ea\u4e9b\u51fd\u6570\u548c\u53d8\u91cf\u53ef\u80fd\u4f1a\u53d7\u5230\u5f71\u54cd\uff0c\u4ece\u800c\u51cf\u5c11\u9519\u8bef\u3002<\/p>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u6d4b\u8bd5<\/strong><\/li>\n<\/ol>\n<p><p>\u7c7b\u578b\u6ce8\u89e3\u53ef\u4ee5\u4e0e\u81ea\u52a8\u5316\u6d4b\u8bd5\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u786e\u4fdd\u4e0d\u540c\u7c7b\u578b\u7684\u8f93\u5165\u90fd\u80fd\u5f97\u5230\u6b63\u786e\u7684\u5904\u7406\u3002<\/p>\n<\/p>\n<p><p>\u516d\u3001\u7c7b\u578b\u6ce8\u89e3\u7684\u6700\u4f73\u5b9e\u8df5<\/p>\n<\/p>\n<ol>\n<li><strong>\u4fdd\u6301\u7b80\u5355<\/strong><\/li>\n<\/ol>\n<p><p>\u5728\u4f7f\u7528\u7c7b\u578b\u6ce8\u89e3\u65f6\uff0c\u5e94\u8be5\u4fdd\u6301\u7b80\u5355\uff0c\u4e0d\u8981\u8fc7\u5ea6\u4f7f\u7528\u590d\u6742\u7684\u7c7b\u578b\u7ed3\u6784\uff0c\u4ee5\u514d\u964d\u4f4e\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u9010\u6b65\u5f15\u5165<\/strong><\/li>\n<\/ol>\n<p><p>\u5bf9\u4e8e\u5df2\u6709\u7684\u5927\u578b\u4ee3\u7801\u5e93\uff0c\u53ef\u4ee5\u9010\u6b65\u5f15\u5165\u7c7b\u578b\u6ce8\u89e3\uff0c\u4e0d\u9700\u8981\u4e00\u6b21\u6027\u5b8c\u6210\u6240\u6709\u4ee3\u7801\u7684\u6ce8\u89e3\u3002<\/p>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u7ed3\u5408\u5de5\u5177<\/strong><\/li>\n<\/ol>\n<p><p>\u7ed3\u5408\u4f7f\u7528Mypy\u7b49\u5de5\u5177\uff0c\u5b9a\u671f\u8fdb\u884c\u9759\u6001\u7c7b\u578b\u68c0\u67e5\uff0c\u4ee5\u53d1\u73b0\u6f5c\u5728\u7684\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><p>\u603b\u7ed3\u6765\u8bf4\uff0cPython\u7684\u52a8\u6001\u7c7b\u578b\u7279\u6027\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\uff0c\u4f46\u540c\u65f6\u4e5f\u5e26\u6765\u4e86\u4e00\u4e9b\u6311\u6218\u3002\u901a\u8fc7\u4f7f\u7528\u7c7b\u578b\u6ce8\u89e3\u548c\u9759\u6001\u7c7b\u578b\u68c0\u67e5\u5de5\u5177\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u4fdd\u6301\u7075\u6d3b\u6027\u7684\u540c\u65f6\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u9760\u6027\u3002\u8fd9\u79cd\u5e73\u8861\u5bf9\u4e8e\u5f00\u53d1\u9ad8\u8d28\u91cf\u7684Python\u9879\u76ee\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u58f0\u660e\u53d8\u91cf\u7c7b\u578b\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53d8\u91cf\u7c7b\u578b\u4e0d\u9700\u8981\u663e\u5f0f\u58f0\u660e\uff0c\u56e0\u4e3a\u5b83\u662f\u4e00\u79cd\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\u3002\u60a8\u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c\u7ed9\u53d8\u91cf\uff0cPython\u4f1a\u6839\u636e\u8d4b\u503c\u81ea\u52a8\u63a8\u65ad\u53d8\u91cf\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff0c<code>x = 5<\/code> \u4f1a\u5c06 <code>x<\/code> \u89c6\u4e3a\u6574\u6570\u7c7b\u578b\uff0c\u800c <code>y = &quot;Hello&quot;<\/code> \u4f1a\u5c06 <code>y<\/code> \u89c6\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\u3002<\/p>\n<p><strong>\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u6765\u660e\u786e\u53d8\u91cf\u7c7b\u578b\u7684\u597d\u5904\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\u7c7b\u578b\u63d0\u793a\uff08Type Hinting\uff09\u662f\u4e00\u79cd\u5728Python\u4ee3\u7801\u4e2d\u63d0\u4f9b\u989d\u5916\u4fe1\u606f\u7684\u65b9\u5f0f\uff0c\u5e2e\u52a9\u7a0b\u5e8f\u5458\u7406\u89e3\u53d8\u91cf\u7684\u9884\u671f\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>x: int = 5<\/code> \u6765\u6307\u660e <code>x<\/code> \u5e94\u8be5\u662f\u4e00\u4e2a\u6574\u6570\u3002\u867d\u7136\u8fd9\u4e0d\u4f1a\u5f71\u54cd\u7a0b\u5e8f\u7684\u8fd0\u884c\uff0c\u4f46\u5b83\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u5c24\u5176\u662f\u5728\u5927\u578b\u9879\u76ee\u4e2d\u3002<\/p>\n<p><strong>\u5982\u4f55\u68c0\u67e5\u53d8\u91cf\u7684\u7c7b\u578b\uff1f<\/strong><br \/>\u60a8\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684 <code>type()<\/code> \u51fd\u6570\u6765\u68c0\u67e5\u53d8\u91cf\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff0c<code>type(x)<\/code> \u5c06\u8fd4\u56de <code>int<\/code> \u5982\u679c <code>x<\/code> 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