![\"python\u51fd\u6570\u5982\u4f55\u4e0d\u8fd4\u56de\u7ed3\u679c\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/26073134\/6761ac3e-b092-4ff2-ba57-36cbb4c54fb3.webp\")
<\/p>\n<\/p>\n
Python\u51fd\u6570\u4e0d\u8fd4\u56de\u7ed3\u679c\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4e0d\u4f7f\u7528return\u8bed\u53e5\u3001\u53ea\u6267\u884c\u526f\u4f5c\u7528\u64cd\u4f5c\u3001\u4f7f\u7528pass\u5173\u952e\u5b57\u7b49\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u7701\u7565return\u8bed\u53e5<\/strong>\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u4ec5\u6267\u884c\u6253\u5370\u64cd\u4f5c\u7684\u51fd\u6570\u3002\u8be6\u7ec6\u6765\u8bf4\uff0c\u5f53\u4e00\u4e2a\u51fd\u6570\u6ca1\u6709\u660e\u786e\u7684\u8fd4\u56de\u503c\u65f6\uff0cPython\u9ed8\u8ba4\u8fd4\u56deNone\u3002\u4e0b\u9762\u8be6\u7ec6\u63cf\u8ff0\u4e00\u79cd\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n print("This function does not return anything.")<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e2a\u51fd\u6570\u6267\u884c\u540e\uff0c\u53ea\u4f1a\u6253\u5370\u4e00\u6761\u6d88\u606f\uff0c\u4e0d\u4f1a\u8fd4\u56de\u4efb\u4f55\u503c\u3002<\/li>\n<\/p>\n<\/ol>\n \u5728Python\u4e2d\uff0c\u51fd\u6570\u662f\u4e00\u79cd\u7ec4\u7ec7\u4ee3\u7801\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u53ef\u4ee5\u5c06\u4e00\u7cfb\u5217\u64cd\u4f5c\u5c01\u88c5\u8d77\u6765\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u7684\u65f6\u5019\u8c03\u7528\u3002\u51fd\u6570\u7684\u57fa\u672c\u7ed3\u6784\u5305\u62ec\u51fd\u6570\u540d\u79f0\u3001\u53c2\u6570\u5217\u8868\u548c\u51fd\u6570\u4f53\u3002\u51fd\u6570\u53ef\u4ee5\u6709\u8fd4\u56de\u503c\uff0c\u4e5f\u53ef\u4ee5\u6ca1\u6709\u8fd4\u56de\u503c\u3002\u7406\u89e3\u51fd\u6570\u7684\u57fa\u672c\u7ed3\u6784\u662f\u638c\u63e1\u5982\u4f55\u4f7f\u51fd\u6570\u4e0d\u8fd4\u56de\u7ed3\u679c\u7684\u57fa\u7840\u3002<\/p>\n<\/p>\n \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u4f7f\u7528 print(param1, param2)<\/p>\n example_function("Hello", "World")<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e2a\u51fd\u6570\u63a5\u6536\u4e24\u4e2a\u53c2\u6570\u5e76\u6253\u5370\u5b83\u4eec\u3002<\/p>\n<\/p>\n \u4e00\u4e2a\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7 return a + b<\/p>\n result = add(3, 5)<\/p>\n print(result) # \u8f93\u51fa: 8<\/p>\n <\/code><\/pre>\n<\/p>\n \u5982\u679c\u7701\u7565 print("No return statement here.")<\/p>\n result = no_return()<\/p>\n print(result) # \u8f93\u51fa: None<\/p>\n <\/code><\/pre>\n<\/p>\n \u7701\u7565 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4e0d\u5305\u542b print("Log:", message)<\/p>\n log_message("This is a log message.")<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e2a\u51fd\u6570\u4ec5\u4ec5\u6253\u5370\u4e86\u4e00\u6761\u65e5\u5fd7\u6d88\u606f\uff0c\u5e76\u6ca1\u6709\u8fd4\u56de\u4efb\u4f55\u503c\u3002<\/p>\n<\/p>\n \u8fd9\u79cd\u65b9\u6cd5\u5e38\u7528\u4e8e\u65e5\u5fd7\u8bb0\u5f55\u3001\u72b6\u6001\u66f4\u65b0\u548c\u5176\u4ed6\u526f\u4f5c\u7528\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2aWeb\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u8bb0\u5f55\u7528\u6237\u7684\u64cd\u4f5c\u65e5\u5fd7\uff0c\u4f46\u4e0d\u9700\u8981\u5c06\u65e5\u5fd7\u8bb0\u5f55\u7ed3\u679c\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u65e5\u5fd7\u8bb0\u5f55\u51fd\u6570\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n # \u6a21\u62df\u65e5\u5fd7\u8bb0\u5f55\u64cd\u4f5c<\/p>\n print(f"User {user_id} performed action: {action}")<\/p>\n log_user_action(123, "login")<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e2a\u51fd\u6570\u8bb0\u5f55\u7528\u6237\u7684\u64cd\u4f5c\uff0c\u4f46\u4e0d\u8fd4\u56de\u4efb\u4f55\u7ed3\u679c\u3002<\/p>\n<\/p>\n \u6709\u4e9b\u51fd\u6570\u7684\u4e3b\u8981\u76ee\u7684\u662f\u6267\u884c\u526f\u4f5c\u7528\u64cd\u4f5c\uff0c\u4f8b\u5982\u66f4\u65b0\u5168\u5c40\u53d8\u91cf\u3001\u4fee\u6539\u6570\u636e\u7ed3\u6784\u6216\u4e0e\u5916\u90e8\u7cfb\u7edf\u8fdb\u884c\u4ea4\u4e92\u3002\u8fd9\u4e9b\u51fd\u6570\u4e0d\u9700\u8981\u8fd4\u56de\u503c\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684\u4e3b\u8981\u76ee\u7684\u662f\u5f15\u8d77\u526f\u4f5c\u7528\u3002<\/p>\n<\/p>\n \u4ee5\u4e0b\u662f\u4e00\u4e2a\u66f4\u65b0\u5168\u5c40\u53d8\u91cf\u7684\u51fd\u6570\u793a\u4f8b\uff1a<\/p>\n<\/p>\n def increment_counter():<\/p>\n global counter<\/p>\n counter += 1<\/p>\n increment_counter()<\/p>\n print(counter) # \u8f93\u51fa: 1<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e2a\u51fd\u6570\u66f4\u65b0\u4e86\u5168\u5c40\u53d8\u91cf \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4fee\u6539\u5217\u8868\u5143\u7d20\u7684\u51fd\u6570\u793a\u4f8b\uff1a<\/p>\n<\/p>\n lst.append(item)<\/p>\n my_list = [1, 2, 3]<\/p>\n add_to_list(4, my_list)<\/p>\n print(my_list) # \u8f93\u51fa: [1, 2, 3, 4]<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e2a\u51fd\u6570\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\uff0c\u4f46\u6ca1\u6709\u8fd4\u56de\u4efb\u4f55\u503c\u3002<\/p>\n<\/p>\n \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5305\u542b pass<\/p>\n result = do_nothing()<\/p>\n print(result) # \u8f93\u51fa: None<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e2a\u51fd\u6570\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\u5e76\u4e14\u6ca1\u6709\u8fd4\u56de\u4efb\u4f55\u503c\u3002<\/p>\n<\/p>\n pass<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u5728\u672a\u6765\u5b9e\u73b0\u5177\u4f53\u529f\u80fd\uff0c\u76ee\u524d\u4ec5\u4f5c\u4e3a\u5360\u4f4d\u7b26\u3002<\/p>\n<\/p>\n \u6709\u65f6\uff0c\u51fd\u6570\u53ef\u80fd\u9700\u8981\u6267\u884c\u591a\u79cd\u64cd\u4f5c\uff0c\u4f46\u4ecd\u4e0d\u9700\u8981\u8fd4\u56de\u7ed3\u679c\u3002\u4f8b\u5982\uff0c\u51fd\u6570\u53ef\u80fd\u9700\u8981\u5904\u7406\u8f93\u5165\u6570\u636e\u3001\u6267\u884c\u8ba1\u7b97\u5e76\u8bb0\u5f55\u65e5\u5fd7\uff0c\u4f46\u6700\u7ec8\u4e0d\u8fd4\u56de\u4efb\u4f55\u503c\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u7ed3\u5408\u591a\u79cd\u64cd\u4f5c\u4ee5\u786e\u4fdd\u51fd\u6570\u4e0d\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n<\/p>\n \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5904\u7406\u8f93\u5165\u6570\u636e\u4f46\u4e0d\u8fd4\u56de\u7ed3\u679c\u7684\u51fd\u6570\u793a\u4f8b\uff1a<\/p>\n<\/p>\n # \u6267\u884c\u67d0\u4e9b\u6570\u636e\u5904\u7406\u64cd\u4f5c<\/p>\n processed_data = data * 2<\/p>\n print("Processed data:", processed_data)<\/p>\n process_data(5)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e2a\u51fd\u6570\u5904\u7406\u8f93\u5165\u6570\u636e\u5e76\u6253\u5370\u5904\u7406\u7ed3\u679c\uff0c\u4f46\u4e0d\u8fd4\u56de\u4efb\u4f55\u503c\u3002<\/p>\n<\/p>\n \u4ee5\u4e0b\u662f\u4e00\u4e2a\u6267\u884c\u8ba1\u7b97\u5e76\u8bb0\u5f55\u65e5\u5fd7\u7684\u51fd\u6570\u793a\u4f8b\uff1a<\/p>\n<\/p>\n result = a + b<\/p>\n print("Calculation result:", result)<\/p>\n log_message(f"Calculated {a} + {b} = {result}")<\/p>\n calculate_and_log(3, 4)<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u4e2a\u51fd\u6570\u6267\u884c\u8ba1\u7b97\u5e76\u8bb0\u5f55\u65e5\u5fd7\uff0c\u4f46\u4e0d\u8fd4\u56de\u4efb\u4f55\u503c\u3002<\/p>\n<\/p>\n \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u51fd\u6570\u4e0d\u8fd4\u56de\u7ed3\u679c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u5916\u95ee\u9898\u6216\u9519\u8bef\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u548c\u5b9e\u73b0\u4e0d\u8fd4\u56de\u7ed3\u679c\u7684\u51fd\u6570\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<\/p>\n \u5728\u8bbe\u8ba1\u4e0d\u8fd4\u56de\u7ed3\u679c\u7684\u51fd\u6570\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u8c03\u7528\u8005\u4e0d\u4f9d\u8d56\u8fd4\u56de\u503c\u3002\u5982\u679c\u8c03\u7528\u8005\u671f\u671b\u51fd\u6570\u8fd4\u56de\u67d0\u4e2a\u503c\uff0c\u800c\u51fd\u6570\u5b9e\u9645\u4e0a\u4e0d\u8fd4\u56de\u4efb\u4f55\u503c\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002\u56e0\u6b64\uff0c\u5728\u51fd\u6570\u6587\u6863\u4e2d\u660e\u786e\u8bf4\u660e\u51fd\u6570\u4e0d\u8fd4\u56de\u4efb\u4f55\u7ed3\u679c\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<\/p>\n \u867d\u7136\u51fd\u6570\u4e0d\u5305\u542b pass<\/p>\n result = might_return_none()<\/p>\n if result is None:<\/p>\n print("Function did not return a result.")<\/p>\n <\/code><\/pre>\n<\/p>\n \u4e3a\u4e86\u907f\u514d\u8c03\u7528\u8005\u8bef\u89e3\u51fd\u6570\u7684\u884c\u4e3a\uff0c\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u6dfb\u52a0\u6ce8\u91ca\u548c\u6587\u6863\u8bf4\u660e\u3002\u660e\u786e\u8bf4\u660e\u51fd\u6570\u7684\u4f5c\u7528\u548c\u8fd4\u56de\u503c\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09\uff0c\u53ef\u4ee5\u5e2e\u52a9\u8c03\u7528\u8005\u6b63\u786e\u4f7f\u7528\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n """<\/p>\n \u66f4\u65b0\u72b6\u6001\u4f46\u4e0d\u8fd4\u56de\u4efb\u4f55\u7ed3\u679c\u3002<\/p>\n \u53c2\u6570:<\/p>\n status (str): \u65b0\u72b6\u6001<\/p>\n """<\/p>\n print(f"Status updated to: {status}")<\/p>\n update_status("active")<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u4f7f\u51fd\u6570\u4e0d\u8fd4\u56de\u7ed3\u679c\uff0c\u5305\u62ec\u4e0d\u4f7f\u7528 \u5982\u4f55\u5728Python\u51fd\u6570\u4e2d\u5b9e\u73b0\u4e0d\u8fd4\u56de\u4efb\u4f55\u7ed3\u679c\uff1f<\/strong> \u4e3a\u4ec0\u4e48\u6709\u4e9b\u51fd\u6570\u4e0d\u9700\u8981\u8fd4\u56de\u503c\uff1f<\/strong> \u5982\u4f55\u68c0\u67e5\u4e00\u4e2a\u51fd\u6570\u662f\u5426\u8fd4\u56de\u4e86\u7ed3\u679c\uff1f<\/strong> \u8fd9\u79cd\u65b9\u5f0f\u5f88\u65b9\u4fbf\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u7406\u89e3\u51fd\u6570\u7684\u884c\u4e3a\u548c\u8f93\u51fa\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u51fd\u6570\u4e0d\u8fd4\u56de\u7ed3\u679c\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4e0d\u4f7f\u7528return\u8bed\u53e5\u3001\u53ea\u6267\u884c\u526f\u4f5c\u7528\u64cd\u4f5c\u3001\u4f7f\u7528pass\u5173\u952e\u5b57\u7b49\u3002\u6700 […]","protected":false},"author":3,"featured_media":1170556,"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\/1170550"}],"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=1170550"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1170550\/revisions"}],"predecessor-version":[{"id":1170557,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1170550\/revisions\/1170557"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1170556"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1170550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1170550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1170550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n
def print_message():<\/p>\n
\n\u4e00\u3001\u51fd\u6570\u7ed3\u6784\u7b80\u4ecb<\/h3>\n<\/p>\n
1.1 \u51fd\u6570\u7684\u5b9a\u4e49\u4e0e\u8c03\u7528<\/h4>\n<\/p>\n
def<\/code>\u5173\u952e\u5b57\uff0c\u540e\u8ddf\u51fd\u6570\u540d\u79f0\u548c\u53c2\u6570\u5217\u8868\u3002\u51fd\u6570\u4f53\u5305\u542b\u5728\u4e00\u4e2a\u7f29\u8fdb\u5757\u5185\u3002\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u4f7f\u7528\u51fd\u6570\u540d\u79f0\u5e76\u4f20\u9012\u9002\u5f53\u7684\u53c2\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\ndef example_function(param1, param2):<\/p>\n1.2 \u51fd\u6570\u7684\u8fd4\u56de\u503c<\/h4>\n<\/p>\n
return<\/code>\u8bed\u53e5\u8fd4\u56de\u4e00\u4e2a\u503c\u3002\u5982\u679c\u6ca1\u6709return<\/code>\u8bed\u53e5\uff0c\u51fd\u6570\u9ed8\u8ba4\u8fd4\u56deNone<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\ndef add(a, b):<\/p>\nreturn<\/code>\u8bed\u53e5\uff0c\u51fd\u6570\u5c06\u8fd4\u56deNone<\/code>\uff1a<\/p>\n<\/p>\ndef no_return():<\/p>\n\u4e8c\u3001\u901a\u8fc7\u7701\u7565return\u8bed\u53e5\u4e0d\u8fd4\u56de\u7ed3\u679c<\/h3>\n<\/p>\n
return<\/code>\u8bed\u53e5\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u4f7f\u5f97\u51fd\u6570\u5728\u6267\u884c\u5b8c\u6bd5\u540e\u4e0d\u8fd4\u56de\u4efb\u4f55\u7ed3\u679c\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\u4f46\u4e0d\u9700\u8981\u8fd4\u56de\u503c\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n2.1 \u793a\u4f8b\u4ee3\u7801<\/h4>\n<\/p>\n
return<\/code>\u8bed\u53e5\u7684\u51fd\u6570\u793a\u4f8b\uff1a<\/p>\n<\/p>\ndef log_message(message):<\/p>\n2.2 \u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h4>\n<\/p>\n
def log_user_action(user_id, action):<\/p>\n\u4e09\u3001\u53ea\u6267\u884c\u526f\u4f5c\u7528\u64cd\u4f5c<\/h3>\n<\/p>\n
3.1 \u66f4\u65b0\u5168\u5c40\u53d8\u91cf<\/h4>\n<\/p>\n
counter = 0<\/p>\ncounter<\/code>\uff0c\u4f46\u6ca1\u6709\u8fd4\u56de\u4efb\u4f55\u503c\u3002<\/p>\n<\/p>\n3.2 \u4fee\u6539\u6570\u636e\u7ed3\u6784<\/h4>\n<\/p>\n
def add_to_list(item, lst):<\/p>\n\u56db\u3001\u4f7f\u7528pass\u5173\u952e\u5b57<\/h3>\n<\/p>\n
pass<\/code>\u5173\u952e\u5b57\u662fPython\u4e2d\u7684\u4e00\u4e2a\u5360\u4f4d\u7b26\uff0c\u7528\u4e8e\u5728\u8bed\u6cd5\u4e0a\u9700\u8981\u4e00\u4e2a\u8bed\u53e5\u4f46\u5b9e\u9645\u4e0a\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\u7684\u5730\u65b9\u3002\u867d\u7136pass<\/code>\u672c\u8eab\u5e76\u4e0d\u76f4\u63a5\u7528\u4e8e\u4f7f\u51fd\u6570\u4e0d\u8fd4\u56de\u7ed3\u679c\uff0c\u4f46\u5b83\u53ef\u4ee5\u7528\u4f5c\u51fd\u6570\u4f53\u7684\u5360\u4f4d\u7b26\uff0c\u4ee5\u786e\u4fdd\u51fd\u6570\u5b9a\u4e49\u5408\u6cd5\u3002<\/p>\n<\/p>\n4.1 \u793a\u4f8b\u4ee3\u7801<\/h4>\n<\/p>\n
pass<\/code>\u5173\u952e\u5b57\u7684\u51fd\u6570\u793a\u4f8b\uff1a<\/p>\n<\/p>\ndef do_nothing():<\/p>\n4.2 \u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h4>\n<\/p>\n
pass<\/code>\u5173\u952e\u5b57\u5e38\u7528\u4e8e\u5360\u4f4d\u7b26\u51fd\u6570\u6216\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u6682\u65f6\u8df3\u8fc7\u67d0\u4e9b\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u5728\u7f16\u5199\u6846\u67b6\u6216\u6a21\u677f\u4ee3\u7801\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528pass<\/code>\u5173\u952e\u5b57\u4f5c\u4e3a\u5360\u4f4d\u7b26\uff1a<\/p>\n<\/p>\ndef placeholder_function():<\/p>\n\u672a\u6765\u5b9e\u73b0\u5177\u4f53\u529f\u80fd<\/strong><\/h2>\n
\u4e94\u3001\u7ed3\u5408\u5176\u4ed6\u64cd\u4f5c\u4e0d\u8fd4\u56de\u7ed3\u679c<\/h3>\n<\/p>\n
5.1 \u5904\u7406\u8f93\u5165\u6570\u636e<\/h4>\n<\/p>\n
def process_data(data):<\/p>\n5.2 \u6267\u884c\u8ba1\u7b97\u5e76\u8bb0\u5f55\u65e5\u5fd7<\/h4>\n<\/p>\n
def calculate_and_log(a, b):<\/p>\n\u516d\u3001\u907f\u514d\u8fd4\u56de\u503c\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n
6.1 \u786e\u4fdd\u8c03\u7528\u8005\u4e0d\u4f9d\u8d56\u8fd4\u56de\u503c<\/h4>\n<\/p>\n
6.2 \u907f\u514d\u8fd4\u56deNone\u5f15\u8d77\u7684\u9519\u8bef<\/h4>\n<\/p>\n
return<\/code>\u8bed\u53e5\u4f1a\u9ed8\u8ba4\u8fd4\u56deNone<\/code>\uff0c\u4f46\u8c03\u7528\u8005\u53ef\u80fd\u4f1a\u8bef\u8ba4\u4e3a\u51fd\u6570\u8fd4\u56de\u4e86\u6709\u610f\u4e49\u7684\u7ed3\u679c\u3002\u56e0\u6b64\uff0c\u786e\u4fdd\u8c03\u7528\u8005\u6b63\u786e\u5904\u7406None<\/code>\u8fd4\u56de\u503c\u662f\u5fc5\u8981\u7684\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\ndef might_return_none():<\/p>\n6.3 \u4f7f\u7528\u6ce8\u91ca\u548c\u6587\u6863\u8bf4\u660e<\/h4>\n<\/p>\n
def update_status(status):<\/p>\n\u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
return<\/code>\u8bed\u53e5\u3001\u53ea\u6267\u884c\u526f\u4f5c\u7528\u64cd\u4f5c\u548c\u4f7f\u7528pass<\/code>\u5173\u952e\u5b57\u7b49\u3002\u7406\u89e3\u51fd\u6570\u7684\u57fa\u672c\u7ed3\u6784\u548c\u8fd4\u56de\u503c\u673a\u5236\uff0c\u6709\u52a9\u4e8e\u8bbe\u8ba1\u548c\u5b9e\u73b0\u4e0d\u8fd4\u56de\u7ed3\u679c\u7684\u51fd\u6570\u3002\u901a\u8fc7\u7ed3\u5408\u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879\uff0c\u53ef\u4ee5\u786e\u4fdd\u4e0d\u8fd4\u56de\u7ed3\u679c\u7684\u51fd\u6570\u5728\u4ee3\u7801\u4e2d\u6b63\u786e\u6267\u884c\uff0c\u5e76\u907f\u514d\u6f5c\u5728\u7684\u95ee\u9898\u3002\u65e0\u8bba\u662f\u5904\u7406\u8f93\u5165\u6570\u636e\u3001\u6267\u884c\u8ba1\u7b97\u8fd8\u662f\u8bb0\u5f55\u65e5\u5fd7\uff0c\u786e\u4fdd\u51fd\u6570\u7684\u884c\u4e3a\u7b26\u5408\u9884\u671f\uff0c\u5bf9\u4e8e\u7f16\u5199\u9ad8\u8d28\u91cf\u7684Python\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u5728Python\u4e2d\uff0c\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u4e0d\u4f7f\u7528return<\/code>\u8bed\u53e5\u6765\u5b9e\u73b0\u4e0d\u8fd4\u56de\u7ed3\u679c\u3002\u5f53\u51fd\u6570\u6267\u884c\u5b8c\u6bd5\u800c\u6ca1\u6709\u663e\u5f0f\u8fd4\u56de\u503c\u65f6\uff0cPython\u4f1a\u81ea\u52a8\u8fd4\u56deNone<\/code>\u3002\u8fd9\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u662f\u6709\u7528\u7684\uff0c\u6bd4\u5982\u5f53\u4f60\u53ea\u60f3\u6267\u884c\u67d0\u4e9b\u64cd\u4f5c\u800c\u4e0d\u9700\u8981\u8fd4\u56de\u503c\u65f6\u3002<\/p>\n
\u67d0\u4e9b\u51fd\u6570\u7684\u4e3b\u8981\u76ee\u7684\u662f\u6267\u884c\u7279\u5b9a\u4efb\u52a1\u800c\u4e0d\u662f\u63d0\u4f9b\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u6253\u5370\u65e5\u5fd7\u3001\u66f4\u65b0\u6570\u636e\u5e93\u6216\u53d1\u9001\u7f51\u7edc\u8bf7\u6c42\u7b49\u64cd\u4f5c\uff0c\u901a\u5e38\u4e0d\u9700\u8981\u8fd4\u56de\u7ed3\u679c\u3002\u8fd9\u6837\u53ef\u4ee5\u7b80\u5316\u4ee3\u7801\u903b\u8f91\uff0c\u4e13\u6ce8\u4e8e\u6267\u884c\u7684\u52a8\u4f5c\u800c\u4e0d\u662f\u5904\u7406\u8fd4\u56de\u7684\u6570\u636e\u3002<\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u5728\u8c03\u7528\u51fd\u6570\u540e\u6253\u5370\u5176\u8fd4\u56de\u503c\u6765\u786e\u8ba4\u3002\u5982\u679c\u51fd\u6570\u6ca1\u6709\u8fd4\u56de\u503c\uff0c\u6253\u5370\u7ed3\u679c\u5c06\u663e\u793a\u4e3aNone<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\ndef my_function():\n print("Hello, World!")\n\nresult = my_function()\nprint(result) # \u8f93\u51fa: Hello, World! \u4e4b\u540e\u8f93\u51fa: None\n<\/code><\/pre>\n