{"id":981706,"date":"2024-12-27T07:04:49","date_gmt":"2024-12-26T23:04:49","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/981706.html"},"modified":"2024-12-27T07:04:51","modified_gmt":"2024-12-26T23:04:51","slug":"python%e4%b8%adreturn%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/981706.html","title":{"rendered":"python\u4e2dreturn\u5982\u4f55\u5b9a\u4e49"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24210517\/e2d7d914-ddca-483c-9c61-03d621684131.webp\" alt=\"python\u4e2dreturn\u5982\u4f55\u5b9a\u4e49\" \/><\/p>\n<p><p> \u5728Python\u4e2d\uff0c<strong><code>return<\/code>\u8bed\u53e5\u7528\u4e8e\u4ece\u51fd\u6570\u4e2d\u8fd4\u56de\u7ed3\u679c\u3001\u7ec8\u6b62\u51fd\u6570\u7684\u6267\u884c\u3001\u5c06\u51fd\u6570\u7684\u8f93\u51fa\u4f20\u9012\u7ed9\u8c03\u7528\u8005<\/strong>\u3002\u5b83\u662f\u51fd\u6570\u7f16\u7a0b\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u5141\u8bb8\u51fd\u6570\u8f93\u51fa\u6570\u636e\u4ee5\u4f9b\u7a0b\u5e8f\u7684\u5176\u4f59\u90e8\u5206\u4f7f\u7528\u3002\u4f7f\u7528<code>return<\/code>\u65f6\uff0c\u5fc5\u987b\u660e\u786e\u8981\u8fd4\u56de\u7684\u503c\u6216\u5bf9\u8c61\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u4e8e<code>return<\/code>\u8bed\u53e5\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff1a<\/p>\n<\/p>\n<ol>\n<li><strong>\u8fd4\u56de\u5355\u4e2a\u503c<\/strong>\uff1a\u5728Python\u51fd\u6570\u4e2d\uff0c<code>return<\/code>\u8bed\u53e5\u901a\u5e38\u7528\u4e8e\u8fd4\u56de\u8ba1\u7b97\u7ed3\u679c\u3002\u901a\u8fc7\u5728\u51fd\u6570\u4e2d\u6307\u5b9a<code>return<\/code>\uff0c\u53ef\u4ee5\u5c06\u51fd\u6570\u5904\u7406\u7684\u6570\u636e\u6216\u8ba1\u7b97\u7ed3\u679c\u4f20\u9012\u56de\u8c03\u7528\u8005\u3002\u4f8b\u5982\uff0c\u5728\u8ba1\u7b97\u4e24\u4e2a\u6570\u7684\u548c\u65f6\uff0c\u53ef\u4ee5\u8fd4\u56de\u8fd9\u4e2a\u548c\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">def add(a, b):<\/p>\n<p>    return a + b<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>add<\/code>\u51fd\u6570\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570<code>a<\/code>\u548c<code>b<\/code>\uff0c\u5e76\u8fd4\u56de\u5b83\u4eec\u7684\u548c\u3002\u8fd9\u79cd\u8fd4\u56de\u5355\u4e2a\u503c\u7684\u60c5\u51b5\u662f\u6700\u5e38\u89c1\u7684\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u8fd4\u56de\u591a\u4e2a\u503c<\/strong>\uff1aPython\u7684<code>return<\/code>\u8bed\u53e5\u8fd8\u5141\u8bb8\u8fd4\u56de\u591a\u4e2a\u503c\uff0c\u8fd9\u4e9b\u503c\u4f1a\u88ab\u6253\u5305\u6210\u4e00\u4e2a\u5143\u7ec4\u3002\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u9017\u53f7\u5206\u9694\u8fd4\u56de\u591a\u4e2a\u7ed3\u679c\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">def get_multiple_values():<\/p>\n<p>    return 1, 2, 3<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8c03\u7528<code>get_multiple_values()<\/code>\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5143\u7ec4<code>(1, 2, 3)<\/code>\u3002\u8fd9\u79cd\u7279\u6027\u5728\u9700\u8981\u8fd4\u56de\u591a\u4e2a\u76f8\u5173\u503c\u65f6\u975e\u5e38\u6709\u7528\uff0c\u6bd4\u5982\u5728\u51fd\u6570\u4e2d\u540c\u65f6\u8fd4\u56de\u591a\u4e2a\u8ba1\u7b97\u7ed3\u679c\u3002<\/p>\n<\/p>\n<ol start=\"3\">\n<li>\n<p><strong>\u8fd4\u56de\u503c\u7684\u7c7b\u578b<\/strong>\uff1a<code>return<\/code>\u53ef\u4ee5\u8fd4\u56de\u4efb\u4f55\u7c7b\u578b\u7684Python\u5bf9\u8c61\uff0c\u5305\u62ec\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff08\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u7b49\uff09\u3001\u5217\u8868\u3001\u5b57\u5178\u3001\u5bf9\u8c61\u5b9e\u4f8b\u7b49\u3002\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u53d6\u51b3\u4e8e\u51fd\u6570\u7684\u903b\u8f91\u9700\u6c42\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u7ed3\u675f\u51fd\u6570\u6267\u884c<\/strong>\uff1a<code>return<\/code>\u8bed\u53e5\u4e0d\u4ec5\u7528\u4e8e\u8fd4\u56de\u503c\uff0c\u8fd8\u7528\u4e8e\u7ed3\u675f\u51fd\u6570\u7684\u6267\u884c\u3002\u4e00\u65e6\u51fd\u6570\u6267\u884c\u5230<code>return<\/code>\u8bed\u53e5\uff0c\u51fd\u6570\u7684\u6267\u884c\u5c06\u7acb\u5373\u505c\u6b62\uff0c\u540e\u7eed\u4ee3\u7801\u4e0d\u4f1a\u88ab\u6267\u884c\u3002\u8fd9\u4e00\u70b9\u5728\u9700\u8981\u63d0\u524d\u7ec8\u6b62\u51fd\u6570\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u65e0\u8fd4\u56de\u503c\u7684\u51fd\u6570<\/strong>\uff1a\u5982\u679c\u51fd\u6570\u4e0d\u9700\u8981\u8fd4\u56de\u4efb\u4f55\u503c\uff0c<code>return<\/code>\u8bed\u53e5\u53ef\u4ee5\u7701\u7565\uff0c\u6216\u8005\u4ec5\u4f7f\u7528<code>return<\/code>\u800c\u4e0d\u6307\u5b9a\u4efb\u4f55\u8fd4\u56de\u503c\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u51fd\u6570\u9ed8\u8ba4\u8fd4\u56de<code>None<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">def print_message():<\/p>\n<p>    print(&quot;Hello, World!&quot;)<\/p>\n<p>    return<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5373\u4f7f\u6ca1\u6709\u663e\u5f0f\u7684\u8fd4\u56de\u503c\uff0c\u51fd\u6570\u4ecd\u4f1a\u8fd4\u56de<code>None<\/code>\u3002<\/p>\n<\/p>\n<ol start=\"6\">\n<li><strong>\u5728\u6761\u4ef6\u8bed\u53e5\u4e2d\u4f7f\u7528<code>return<\/code><\/strong>\uff1a\u5728\u51fd\u6570\u4e2d\uff0c<code>return<\/code>\u8bed\u53e5\u5e38\u5e38\u4e0e\u6761\u4ef6\u8bed\u53e5\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u8fd4\u56de\u4e0d\u540c\u7684\u7ed3\u679c\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">def compare_numbers(a, b):<\/p>\n<p>    if a &gt; b:<\/p>\n<p>        return &quot;a is greater&quot;<\/p>\n<p>    elif a &lt; b:<\/p>\n<p>        return &quot;b is greater&quot;<\/p>\n<p>    else:<\/p>\n<p>        return &quot;a and b are equal&quot;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"7\">\n<li><strong>\u9012\u5f52\u51fd\u6570\u4e2d\u7684<code>return<\/code><\/strong>\uff1a\u5728\u9012\u5f52\u51fd\u6570\u4e2d\uff0c<code>return<\/code>\u7528\u4e8e\u8fd4\u56de\u9012\u5f52\u8c03\u7528\u7684\u7ed3\u679c\u3002\u8fd9\u662f\u9012\u5f52\u51fd\u6570\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u7528\u4e8e\u8fd4\u56de\u9012\u5f52\u8fc7\u7a0b\u4e2d\u7684\u8ba1\u7b97\u7ed3\u679c\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">def factorial(n):<\/p>\n<p>    if n == 1:<\/p>\n<p>        return 1<\/p>\n<p>    else:<\/p>\n<p>        return n * factorial(n - 1)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"8\">\n<li><strong>\u6700\u4f73\u5b9e\u8df5<\/strong>\uff1a\u4f7f\u7528<code>return<\/code>\u8bed\u53e5\u65f6\uff0c\u5e94\u786e\u4fdd\u5176\u4f4d\u7f6e\u903b\u8f91\u6e05\u6670\uff0c\u8fd4\u56de\u503c\u7c7b\u578b\u660e\u786e\u3002\u660e\u786e\u51fd\u6570\u7684\u8f93\u5165\u548c\u8f93\u51fa\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<\/ol>\n<p><h3>\u4e00\u3001RETURN\u8bed\u53e5\u7684\u57fa\u7840\u7528\u6cd5<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c<code>return<\/code>\u8bed\u53e5\u662f\u51fd\u6570\u7684\u4e00\u90e8\u5206\uff0c\u7528\u4e8e\u5c06\u7ed3\u679c\u4f20\u9012\u7ed9\u8c03\u7528\u51fd\u6570\u7684\u5730\u65b9\u3002\u7406\u89e3<code>return<\/code>\u7684\u57fa\u7840\u7528\u6cd5\u5bf9\u4e8e\u7f16\u5199\u6e05\u6670\u3001\u6709\u6548\u7684Python\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n<p><h4>1. \u8fd4\u56de\u5355\u4e2a\u503c<\/h4>\n<\/p>\n<p><p>\u5728\u51fd\u6570\u4e2d\uff0c<code>return<\/code>\u901a\u5e38\u7528\u4e8e\u8fd4\u56de\u8ba1\u7b97\u7ed3\u679c\u6216\u51fd\u6570\u5904\u7406\u7684\u6570\u636e\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def square(number):<\/p>\n<p>    return number * number<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u51fd\u6570<code>square<\/code>\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570<code>number<\/code>\u5e76\u8fd4\u56de\u5176\u5e73\u65b9\u3002\u8c03\u7528<code>square(3)<\/code>\u5c06\u8fd4\u56de9\u3002<\/p>\n<\/p>\n<p><h4>2. \u8fd4\u56de\u591a\u4e2a\u503c<\/h4>\n<\/p>\n<p><p>Python\u7684<code>return<\/code>\u8bed\u53e5\u5141\u8bb8\u8fd4\u56de\u591a\u4e2a\u503c\uff0c\u4ee5\u5143\u7ec4\u7684\u5f62\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def coordinates():<\/p>\n<p>    return 5, 10<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8c03\u7528<code>coordinates()<\/code>\u5c06\u8fd4\u56de\u4e00\u4e2a\u5143\u7ec4<code>(5, 10)<\/code>\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u8fd4\u56de\u591a\u4e2a\u76f8\u5173\u6570\u636e\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001RETURN\u8bed\u53e5\u5728\u4e0d\u540c\u573a\u666f\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p><code>return<\/code>\u8bed\u53e5\u5728\u4e0d\u540c\u7684\u7f16\u7a0b\u573a\u666f\u4e2d\u6709\u4e0d\u540c\u7684\u5e94\u7528\uff0c\u4e86\u89e3\u8fd9\u4e9b\u5e94\u7528\u6709\u52a9\u4e8e\u7f16\u5199\u66f4\u5177\u529f\u80fd\u6027\u548c\u7075\u6d3b\u6027\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><h4>1. \u5728\u6761\u4ef6\u8bed\u53e5\u4e2d\u4f7f\u7528RETURN<\/h4>\n<\/p>\n<p><p>\u5728\u6761\u4ef6\u8bed\u53e5\u4e2d\uff0c<code>return<\/code>\u7528\u4e8e\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u8fd4\u56de\u4e0d\u540c\u7684\u7ed3\u679c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def check_even_odd(number):<\/p>\n<p>    if number % 2 == 0:<\/p>\n<p>        return &quot;Even&quot;<\/p>\n<p>    else:<\/p>\n<p>        return &quot;Odd&quot;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u51fd\u6570<code>check_even_odd<\/code>\u6839\u636e\u8f93\u5165\u7684\u6570\u662f\u5076\u6570\u8fd8\u662f\u5947\u6570\u8fd4\u56de\u4e0d\u540c\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><h4>2. \u5728\u9012\u5f52\u51fd\u6570\u4e2d\u4f7f\u7528RETURN<\/h4>\n<\/p>\n<p><p>\u9012\u5f52\u51fd\u6570\u662f\u4e00\u79cd\u5728\u51fd\u6570\u4e2d\u8c03\u7528\u81ea\u8eab\u7684\u6280\u672f\uff0c<code>return<\/code>\u5728\u9012\u5f52\u51fd\u6570\u4e2d\u7528\u4e8e\u8fd4\u56de\u9012\u5f52\u8c03\u7528\u7684\u7ed3\u679c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def fibonacci(n):<\/p>\n<p>    if n &lt;= 1:<\/p>\n<p>        return n<\/p>\n<p>    else:<\/p>\n<p>        return fibonacci(n - 1) + fibonacci(n - 2)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>fibonacci<\/code>\u51fd\u6570\u4f7f\u7528\u9012\u5f52\u8ba1\u7b97\u6590\u6ce2\u90a3\u5951\u6570\u5217\uff0c<code>return<\/code>\u7528\u4e8e\u8fd4\u56de\u9012\u5f52\u8c03\u7528\u7684\u7ed3\u679c\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001RETURN\u8bed\u53e5\u7684\u9ad8\u7ea7\u7528\u6cd5<\/h3>\n<\/p>\n<p><p>\u9664\u4e86\u57fa\u672c\u7528\u6cd5\u5916\uff0c<code>return<\/code>\u8bed\u53e5\u8fd8\u6709\u4e00\u4e9b\u9ad8\u7ea7\u7528\u6cd5\uff0c\u8fd9\u4e9b\u7528\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u7f16\u5199\u66f4\u590d\u6742\u548c\u529f\u80fd\u5f3a\u5927\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><h4>1. \u8fd4\u56de\u5b57\u5178\u3001\u5217\u8868\u6216\u5bf9\u8c61<\/h4>\n<\/p>\n<p><p>Python\u7684<code>return<\/code>\u8bed\u53e5\u53ef\u4ee5\u8fd4\u56de\u4efb\u4f55\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u5305\u62ec\u5b57\u5178\u3001\u5217\u8868\u6216\u7528\u6237\u5b9a\u4e49\u7684\u5bf9\u8c61\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def get_user_info():<\/p>\n<p>    return {&quot;name&quot;: &quot;Alice&quot;, &quot;age&quot;: 30}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5b57\u5178\uff0c\u5305\u542b\u7528\u6237\u7684\u4fe1\u606f\u3002<\/p>\n<\/p>\n<p><h4>2. \u63d0\u524d\u7ec8\u6b62\u51fd\u6570<\/h4>\n<\/p>\n<p><p><code>return<\/code>\u4e0d\u4ec5\u7528\u4e8e\u8fd4\u56de\u503c\uff0c\u8fd8\u7528\u4e8e\u63d0\u524d\u7ec8\u6b62\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def find_first_even(numbers):<\/p>\n<p>    for number in numbers:<\/p>\n<p>        if number % 2 == 0:<\/p>\n<p>            return number<\/p>\n<p>    return None<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>find_first_even<\/code>\u51fd\u6570\u5728\u627e\u5230\u7b2c\u4e00\u4e2a\u5076\u6570\u65f6\u7acb\u5373\u8fd4\u56de\u8be5\u503c\uff0c\u5e76\u7ec8\u6b62\u51fd\u6570\u6267\u884c\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001RETURN\u8bed\u53e5\u7684\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u7f16\u5199\u9ad8\u8d28\u91cf\u7684Python\u4ee3\u7801\uff0c\u9075\u5faa<code>return<\/code>\u8bed\u53e5\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<\/p>\n<p><h4>1. \u786e\u4fdd\u8fd4\u56de\u503c\u7684\u4e00\u81f4\u6027<\/h4>\n<\/p>\n<p><p>\u5728\u51fd\u6570\u4e2d\uff0c\u786e\u4fdd\u6240\u6709\u53ef\u80fd\u7684\u8fd4\u56de\u8def\u5f84\u90fd\u8fd4\u56de\u76f8\u540c\u7c7b\u578b\u7684\u503c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a\u8def\u5f84\u8fd4\u56de\u6574\u6570\uff0c\u5176\u4ed6\u8def\u5f84\u4e5f\u5e94\u8be5\u8fd4\u56de\u6574\u6570\uff0c\u6216\u81f3\u5c11\u662f\u53ef\u517c\u5bb9\u7684\u7c7b\u578b\u3002<\/p>\n<\/p>\n<p><h4>2. \u907f\u514d\u8fc7\u591a\u7684RETURN\u8bed\u53e5<\/h4>\n<\/p>\n<p><p>\u5728\u51fd\u6570\u4e2d\u4f7f\u7528\u8fc7\u591a\u7684<code>return<\/code>\u8bed\u53e5\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4ee3\u7801\u96be\u4ee5\u7406\u89e3\u3002\u5c3d\u91cf\u51cf\u5c11\u51fd\u6570\u4e2d\u7684<code>return<\/code>\u8bed\u53e5\u6570\u91cf\uff0c\u53ef\u4ee5\u901a\u8fc7\u91cd\u6784\u4ee3\u7801\u6216\u4f7f\u7528\u8f85\u52a9\u51fd\u6570\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><h4>3. \u4f7f\u7528RETURN\u7b80\u5316\u4ee3\u7801<\/h4>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c<code>return<\/code>\u53ef\u4ee5\u7528\u4e8e\u7b80\u5316\u590d\u6742\u7684\u6761\u4ef6\u903b\u8f91\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>return<\/code>\u76f4\u63a5\u8fd4\u56de\u5e03\u5c14\u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\uff0c\u800c\u4e0d\u662f\u4f7f\u7528<code>if<\/code>\u8bed\u53e5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def is_positive(number):<\/p>\n<p>    return number &gt; 0<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e94\u3001RETURN\u8bed\u53e5\u7684\u5e38\u89c1\u8bef\u533a<\/h3>\n<\/p>\n<p><p>\u5728\u4f7f\u7528<code>return<\/code>\u8bed\u53e5\u65f6\uff0c\u5f00\u53d1\u8005\u53ef\u80fd\u4f1a\u72af\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u6216\u8bef\u89e3\uff0c\u4e86\u89e3\u8fd9\u4e9b\u8bef\u533a\u6709\u52a9\u4e8e\u907f\u514d\u7f16\u5199\u9519\u8bef\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><h4>1. \u5fd8\u8bb0\u8fd4\u56de\u503c<\/h4>\n<\/p>\n<p><p>\u6709\u65f6\uff0c\u5f00\u53d1\u8005\u53ef\u80fd\u4f1a\u5fd8\u8bb0\u5728\u51fd\u6570\u4e2d\u4f7f\u7528<code>return<\/code>\u8bed\u53e5\uff0c\u4ece\u800c\u5bfc\u81f4\u51fd\u6570\u9ed8\u8ba4\u8fd4\u56de<code>None<\/code>\u3002\u786e\u4fdd\u5728\u9700\u8981\u8fd4\u56de\u7ed3\u679c\u7684\u51fd\u6570\u4e2d\u59cb\u7ec8\u5305\u542b<code>return<\/code>\u8bed\u53e5\u3002<\/p>\n<\/p>\n<p><h4>2. \u8fd4\u56de\u4e0d\u5fc5\u8981\u7684\u6570\u636e<\/h4>\n<\/p>\n<p><p>\u8fd4\u56de\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u53ef\u80fd\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u590d\u6742\u6027\u548c\u5185\u5b58\u4f7f\u7528\u3002\u786e\u4fdd\u53ea\u8fd4\u56de\u51fd\u6570\u8c03\u7528\u8005\u9700\u8981\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001RETURN\u8bed\u53e5\u4e0e\u51fd\u6570\u7684\u5173\u7cfb<\/h3>\n<\/p>\n<p><p><code>return<\/code>\u8bed\u53e5\u662fPython\u51fd\u6570\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u7406\u89e3\u5b83\u4e0e\u51fd\u6570\u7684\u5173\u7cfb\u5bf9\u4e8e\u7f16\u5199\u9ad8\u6548\u548c\u53ef\u8bfb\u7684\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n<p><h4>1. \u5f71\u54cd\u51fd\u6570\u7684\u53ef\u6d4b\u8bd5\u6027<\/h4>\n<\/p>\n<p><p>\u51fd\u6570\u7684\u53ef\u6d4b\u8bd5\u6027\u4e0e<code>return<\/code>\u8bed\u53e5\u5bc6\u5207\u76f8\u5173\u3002\u901a\u8fc7\u8fd4\u56de\u660e\u786e\u7684\u7ed3\u679c\uff0c\u51fd\u6570\u66f4\u5bb9\u6613\u6d4b\u8bd5\uff0c\u56e0\u4e3a\u53ef\u4ee5\u76f4\u63a5\u65ad\u8a00\u51fd\u6570\u7684\u8f93\u51fa\u3002<\/p>\n<\/p>\n<p><h4>2. \u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u4f7f\u7528<code>return<\/code>\u8bed\u53e5\u8fd4\u56de\u6e05\u6670\u7684\u7ed3\u679c\uff0c\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u4f1a\u5f97\u5230\u63d0\u9ad8\u3002\u51fd\u6570\u7684\u9884\u671f\u884c\u4e3a\u66f4\u5bb9\u6613\u88ab\u7406\u89e3\uff0c\u4fee\u6539\u548c\u6269\u5c55\u4ee3\u7801\u65f6\u4e5f\u66f4\u5bb9\u6613\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001RETURN\u8bed\u53e5\u5728\u4e0d\u540c\u7f16\u7a0b\u8303\u5f0f\u4e2d\u7684\u4f5c\u7528<\/h3>\n<\/p>\n<p><p>Python\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u5305\u62ec\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u3001\u51fd\u6570\u5f0f\u7f16\u7a0b\u7b49\u3002<code>return<\/code>\u8bed\u53e5\u5728\u8fd9\u4e9b\u8303\u5f0f\u4e2d\u7684\u4f5c\u7528\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<\/p>\n<p><h4>1. \u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u7684\u4f5c\u7528<\/h4>\n<\/p>\n<p><p>\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c<code>return<\/code>\u8bed\u53e5\u5e38\u7528\u4e8e\u65b9\u6cd5\u4e2d\u8fd4\u56de\u5bf9\u8c61\u7684\u72b6\u6001\u6216\u7ed3\u679c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Circle:<\/p>\n<p>    def __init__(self, radius):<\/p>\n<p>        self.radius = radius<\/p>\n<p>    def area(self):<\/p>\n<p>        return 3.14 * self.radius * self.radius<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>area<\/code>\u65b9\u6cd5\u8fd4\u56de\u5706\u7684\u9762\u79ef\u3002<\/p>\n<\/p>\n<p><h4>2. \u5728\u51fd\u6570\u5f0f\u7f16\u7a0b\u4e2d\u7684\u4f5c\u7528<\/h4>\n<\/p>\n<p><p>\u5728\u51fd\u6570\u5f0f\u7f16\u7a0b\u4e2d\uff0c<code>return<\/code>\u8bed\u53e5\u7528\u4e8e\u5b9e\u73b0\u51fd\u6570\u7684\u7eaf\u7cb9\u6027\uff0c\u5373\u51fd\u6570\u7684\u8f93\u51fa\u4ec5\u4f9d\u8d56\u4e8e\u8f93\u5165\u53c2\u6570\u800c\u4e0d\u662f\u5916\u90e8\u72b6\u6001\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def multiply_by_two(x):<\/p>\n<p>    return x * 2<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u5b9e\u73b0\u65b9\u5f0f\u786e\u4fdd\u51fd\u6570\u7684\u8f93\u51fa\u662f\u53ef\u9884\u6d4b\u7684\u548c\u53ef\u91cd\u590d\u7684\u3002<\/p>\n<\/p>\n<p><h3>\u516b\u3001RETURN\u8bed\u53e5\u7684\u6027\u80fd\u8003\u8651<\/h3>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c<code>return<\/code>\u8bed\u53e5\u53ef\u80fd\u4f1a\u5f71\u54cd\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u7406\u89e3\u8fd9\u4e9b\u5f71\u54cd\u6709\u52a9\u4e8e\u4f18\u5316\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><h4>1. \u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97<\/h4>\n<\/p>\n<p><p>\u5728\u51fd\u6570\u4e2d\uff0c\u5c3d\u91cf\u51cf\u5c11\u5728<code>return<\/code>\u8bed\u53e5\u4e4b\u524d\u7684\u4e0d\u5fc5\u8981\u8ba1\u7b97\uff0c\u4ee5\u63d0\u9ad8\u51fd\u6570\u7684\u6267\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n<p><h4>2. \u4f7f\u7528\u7f13\u5b58\u8fd4\u56de\u503c<\/h4>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u7f13\u5b58\u6280\u672f\u6765\u5b58\u50a8\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u4ece\u800c\u907f\u514d\u91cd\u590d\u8ba1\u7b97\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Python\u7684<code>functools.lru_cache<\/code>\u88c5\u9970\u5668\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from functools import lru_cache<\/p>\n<p>@lru_cache(maxsize=None)<\/p>\n<p>def fibonacci(n):<\/p>\n<p>    if n &lt;= 1:<\/p>\n<p>        return n<\/p>\n<p>    else:<\/p>\n<p>        return fibonacci(n - 1) + fibonacci(n - 2)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e5d\u3001RETURN\u8bed\u53e5\u7684\u8c03\u8bd5\u6280\u5de7<\/h3>\n<\/p>\n<p><p>\u5728\u8c03\u8bd5\u4ee3\u7801\u65f6\uff0c<code>return<\/code>\u8bed\u53e5\u4e5f\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u5173\u6ce8\u70b9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8c03\u8bd5\u6280\u5de7\uff1a<\/p>\n<\/p>\n<p><h4>1. \u68c0\u67e5\u8fd4\u56de\u503c\u7c7b\u578b<\/h4>\n<\/p>\n<p><p>\u786e\u4fdd\u51fd\u6570\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u4e0e\u9884\u671f\u4e00\u81f4\u3002\u53ef\u4ee5\u4f7f\u7528Python\u7684<code>type()<\/code>\u51fd\u6570\u6765\u68c0\u67e5\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<\/p>\n<p><h4>2. \u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u8fd4\u56de\u503c<\/h4>\n<\/p>\n<p><p>\u5728\u8c03\u8bd5\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u529f\u80fd\u6765\u8bb0\u5f55\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u4ee5\u5e2e\u52a9\u8bc6\u522b\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import logging<\/p>\n<p>def square(number):<\/p>\n<p>    result = number * number<\/p>\n<p>    logging.debug(f&quot;Square of {number} is {result}&quot;)<\/p>\n<p>    return result<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u5341\u3001RETURN\u8bed\u53e5\u7684\u672a\u6765\u53d1\u5c55<\/h3>\n<\/p>\n<p><p>\u968f\u7740Python\u8bed\u8a00\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c<code>return<\/code>\u8bed\u53e5\u7684\u529f\u80fd\u548c\u7528\u6cd5\u4e5f\u53ef\u80fd\u53d1\u751f\u53d8\u5316\u3002\u4e86\u89e3\u8fd9\u4e9b\u672a\u6765\u7684\u53d1\u5c55\u65b9\u5411\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u4f7f\u7528\u8fd9\u4e00\u91cd\u8981\u7279\u6027\u3002<\/p>\n<\/p>\n<p><h4>1. \u652f\u6301\u7c7b\u578b\u63d0\u793a<\/h4>\n<\/p>\n<p><p>Python\u5df2\u7ecf\u652f\u6301\u901a\u8fc7\u7c7b\u578b\u63d0\u793a\u6765\u660e\u786e\u51fd\u6570\u8fd4\u56de\u503c\u7684\u7c7b\u578b\uff0c\u8fd9\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def add(a: int, b: int) -&gt; int:<\/p>\n<p>    return a + b<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u66f4\u52a0\u667a\u80fd\u7684\u7f16\u8bd1\u5668\u4f18\u5316<\/h4>\n<\/p>\n<p><p>\u672a\u6765\u7684Python\u7248\u672c\u53ef\u80fd\u4f1a\u5728\u7f16\u8bd1\u5668\u5c42\u9762\u63d0\u4f9b\u66f4\u667a\u80fd\u7684\u4f18\u5316\uff0c\u4f7f\u5f97<code>return<\/code>\u8bed\u53e5\u7684\u6027\u80fd\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u6df1\u5165\u7406\u89e3<code>return<\/code>\u8bed\u53e5\u7684\u5b9a\u4e49\u548c\u5e94\u7528\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u7f16\u5199\u51fa\u66f4\u52a0\u9ad8\u6548\u3001\u53ef\u8bfb\u548c\u53ef\u7ef4\u62a4\u7684Python\u4ee3\u7801\u3002\u65e0\u8bba\u662f\u5904\u7406\u7b80\u5355\u51fd\u6570\u8fd8\u662f\u590d\u6742\u7a0b\u5e8f\uff0c<code>return<\/code>\u8bed\u53e5\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5728Python\u4e2d\uff0creturn\u8bed\u53e5\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>return\u8bed\u53e5\u7528\u4e8e\u4ece\u51fd\u6570\u4e2d\u8fd4\u56de\u4e00\u4e2a\u503c\uff0c\u5e76\u7ed3\u675f\u51fd\u6570\u7684\u6267\u884c\u3002\u5b83\u53ef\u4ee5\u8fd4\u56de\u4efb\u4f55\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u5b57\u5178\u7b49\u3002\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u8fd4\u56de\u503c\uff0cPython\u4f1a\u9ed8\u8ba4\u8fd4\u56deNone\u3002\u4f7f\u7528return\u53ef\u4ee5\u5c06\u51fd\u6570\u7684\u7ed3\u679c\u4f20\u9012\u7ed9\u8c03\u7528\u8005\uff0c\u4f7f\u5f97\u51fd\u6570\u66f4\u5177\u7075\u6d3b\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u51fd\u6570\u4e2d\u4f7f\u7528\u591a\u4e2areturn\u8bed\u53e5\uff1f<\/strong><br \/>\u5728Python\u51fd\u6570\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u4f7f\u7528\u591a\u4e2areturn\u8bed\u53e5\u3002\u5f53\u6ee1\u8db3\u67d0\u4e2a\u6761\u4ef6\u65f6\uff0c\u51fd\u6570\u4f1a\u6267\u884c\u5bf9\u5e94\u7684return\uff0c\u8fd4\u56de\u76f8\u5e94\u7684\u503c\u5e76\u7ed3\u675f\u51fd\u6570\u3002\u5982\u679c\u6ca1\u6709\u6ee1\u8db3\u7684\u6761\u4ef6\uff0c\u51fd\u6570\u4f1a\u7ee7\u7eed\u5411\u4e0b\u6267\u884c\uff0c\u76f4\u5230\u9047\u5230\u7b2c\u4e00\u4e2areturn\u8bed\u53e5\u6216\u51fd\u6570\u7ed3\u675f\u3002\u5982\u679c\u51fd\u6570\u4e2d\u4e0d\u5305\u542b\u4efb\u4f55return\u8bed\u53e5\uff0cPython\u4f1a\u9ed8\u8ba4\u8fd4\u56deNone\u3002<\/p>\n<p><strong>\u5982\u4f55\u5904\u7406\u51fd\u6570\u4e2d\u7684return\u503c\uff1f<\/strong><br \/>\u5904\u7406\u51fd\u6570\u4e2d\u7684return\u503c\u975e\u5e38\u7b80\u5355\u3002\u5f53\u4f60\u8c03\u7528\u4e00\u4e2a\u51fd\u6570\u5e76\u4f7f\u7528return\u8fd4\u56de\u7ed3\u679c\u65f6\uff0c\u53ef\u4ee5\u5c06\u5176\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf\u3002\u8fd9\u6837\uff0c\u4f60\u5c31\u80fd\u591f\u4f7f\u7528\u8be5\u53d8\u91cf\u6765\u8bbf\u95ee\u548c\u64cd\u4f5c\u8fd4\u56de\u7684\u6570\u636e\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528return\u8fd4\u56de\u4e00\u4e2a\u8ba1\u7b97\u7ed3\u679c\uff0c\u7136\u540e\u5728\u4e3b\u7a0b\u5e8f\u4e2d\u8c03\u7528\u8be5\u51fd\u6570\u5e76\u4f7f\u7528\u8fd4\u56de\u503c\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u5904\u7406\u6216\u8f93\u51fa\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0creturn\u8bed\u53e5\u7528\u4e8e\u4ece\u51fd\u6570\u4e2d\u8fd4\u56de\u7ed3\u679c\u3001\u7ec8\u6b62\u51fd\u6570\u7684\u6267\u884c\u3001\u5c06\u51fd\u6570\u7684\u8f93\u51fa\u4f20\u9012\u7ed9\u8c03\u7528\u8005\u3002\u5b83\u662f\u51fd\u6570\u7f16\u7a0b [&hellip;]","protected":false},"author":3,"featured_media":981715,"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\/981706"}],"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=981706"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/981706\/revisions"}],"predecessor-version":[{"id":981717,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/981706\/revisions\/981717"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/981715"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=981706"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=981706"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=981706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}