{"id":2812,"date":"2025-06-03T17:38:49","date_gmt":"2025-06-04T09:41:48","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2812"},"modified":"2025-06-04T17:38:49","modified_gmt":"2025-06-04T09:41:48","slug":"python%e4%b8%ad%e7%9a%84%e5%9b%9b%e6%8d%a8%e4%ba%94%e5%85%a5%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/python%e4%b8%ad%e7%9a%84%e5%9b%9b%e6%8d%a8%e4%ba%94%e5%85%a5%e5%8a%9f%e8%83%bd\/","title":{"rendered":"2025 \u6700\u65b0\u7248\uff1aPython \u4e2d\u7684\u56db\u6368\u4e94\u5165\u529f\u80fd\u5b8c\u5168\u6307\u5357"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, round(), Python \u7a0b\u5f0f\u6559\u5b78, \u6578\u5b57\u56db\u6368\u4e94\u5165\"><\/p>\n<p>\u5728 Python \u7a0b\u5f0f\u8a2d\u8a08\u4e2d\uff0c\u56db\u6368\u4e94\u5165\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u5c24\u5176\u5728\u6578\u64da\u8655\u7406\u3001\u5831\u8868\u751f\u6210\u548c\u8ca1\u52d9\u8a08\u7b97\u7b49\u9818\u57df\u3002Python \u63d0\u4f9b\u4e86 `round()` \u51fd\u6578\u4f86\u8f15\u9b06\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u672c\u7bc7\u6587\u7ae0\u5c07\u4ecb\u7d39 `round()` \u51fd\u6578\u7684\u7528\u6cd5\u3001\u53c3\u6578\u4ee5\u53ca\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u4f60\u6709\u6548\u904b\u7528\u9019\u500b\u51fd\u6578\u3002<\/p>\n<h2>\u4f7f\u7528 round() \u51fd\u6578<\/h2>\n<p>\u4f7f\u7528 `round()` \u51fd\u6578\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u50b3\u5165\u8981\u56db\u6368\u4e94\u5165\u7684\u6578\u5b57\u548c\u5c0f\u6578\u4f4d\u6578\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u6578\u5b57 3.14159 \u56db\u6368\u4e94\u5165\u5230\u5c0f\u6578\u9ede\u5f8c\u7b2c\u4e8c\u4f4d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<p>&#8220;`python<br \/>\nrounded_number = round(3.14159, 2)<br \/>\nprint(rounded_number)<br \/>\n&#8220;`<\/p>\n<p>\u57f7\u884c\u7a0b\u5f0f\u78bc\u5f8c\uff0c\u7d50\u679c\u5c07\u662f `3.14`\uff0c\u9019\u8868\u793a\u5c07 3.14159 \u56db\u6368\u4e94\u5165\u5230\u5c0f\u6578\u9ede\u5f8c\u7b2c\u4e8c\u4f4d\u3002<\/p>\n<h2>round() \u51fd\u6578\u7684\u53c3\u6578<\/h2>\n<p>`round()` \u51fd\u6578\u6709\u5169\u500b\u53c3\u6578\uff1a<br \/>\n1. \u8981\u56db\u6368\u4e94\u5165\u7684\u6578\u5b57\u3002<br \/>\n2. \u5c0f\u6578\u4f4d\u6578\uff08\u53ef\u9078\uff09\u3002<\/p>\n<p>\u82e5\u4e0d\u6307\u5b9a\u7b2c\u4e8c\u500b\u53c3\u6578\uff0c\u9810\u8a2d\u6703\u56db\u6368\u4e94\u5165\u5230\u6700\u63a5\u8fd1\u7684\u6574\u6578\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u6578\u5b57 3.14159 \u56db\u6368\u4e94\u5165\u5230\u6700\u63a5\u8fd1\u7684\u6574\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<p>&#8220;`python<br \/>\nrounded_number = round(3.14159)<br \/>\nprint(rounded_number)<br \/>\n&#8220;`<\/p>\n<p>\u57f7\u884c\u5f8c\u7684\u7d50\u679c\u662f `3`\uff0c\u986f\u793a\u5c07 3.14159 \u56db\u6368\u4e94\u5165\u5230\u6700\u63a5\u8fd1\u7684\u6574\u6578\u3002<\/p>\n<h2>\u932f\u8aa4\u6392\u9664\u8207\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 `round()` \u51fd\u6578\u6642\uff0c\u6709\u5e7e\u500b\u5e38\u898b\u7684\u932f\u8aa4\u9700\u8981\u6ce8\u610f\uff1a<br \/>\n&#8211; \u78ba\u4fdd\u50b3\u5165\u7684\u6578\u5b57\u662f\u6709\u6548\u7684\u6578\u5b57\u985e\u578b\uff0c\u5426\u5247\u5c07\u62cb\u51fa `TypeError`\u3002<br \/>\n&#8211; \u7576\u5c0f\u6578\u4f4d\u6578\u70ba\u8ca0\u6578\u6642\uff0c`round()` \u5c07\u56db\u6368\u4e94\u5165\u5230\u5341\u4f4d\u3001\u767e\u4f4d\u7b49\u3002\u4f8b\u5982\uff0c`round(1234.5678, -2)` \u7d50\u679c\u70ba `1200`\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>`round()` \u51fd\u6578\u4e0d\u50c5\u53ef\u4ee5\u7528\u65bc\u55ae\u4e00\u6578\u5b57\u7684\u56db\u6368\u4e94\u5165\uff0c\u9084\u53ef\u4ee5\u5728\u6578\u64da\u8655\u7406\u4e2d\u61c9\u7528\u65bc\u5217\u8868\u6216\u6578\u7d44\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u6578\u64da\u5217\u8868\u4e2d\u7684\u6bcf\u500b\u6578\u5b57\u56db\u6368\u4e94\u5165\u5230\u5c0f\u6578\u9ede\u5f8c\u4e00\u4f4d\uff0c\u53ef\u4ee5\u9019\u6a23\u505a\uff1a<\/p>\n<p>&#8220;`python<br \/>\nnumbers = [1.234, 2.456, 3.678]\nrounded_numbers = [round(num, 1) for num in numbers]\nprint(rounded_numbers)<br \/>\n&#8220;`<\/p>\n<p>\u57f7\u884c\u5f8c\u7684\u7d50\u679c\u6703\u662f `[1.2, 2.5, 3.7]`\u3002<\/p>\n<p>\u82e5\u60f3\u6df1\u5165\u4e86\u89e3 Python \u6578\u64da\u8655\u7406\u7684\u5176\u4ed6\u6280\u5de7\uff0c\u5efa\u8b70\u53c3\u8003\u6211\u5011\u7684[\u9032\u968e Python \u6559\u5b78](https:\/\/yourdomain.com\/python-advanced-tutorial)\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>Python \u7684 `round()` \u51fd\u6578\u53ef\u8b93\u6211\u5011\u8f15\u9b06\u5730\u5c07\u6578\u5b57\u56db\u6368\u4e94\u5165\u5230\u6307\u5b9a\u7684\u5c0f\u6578\u4f4d\u6578\u3002\u7121\u8ad6\u662f\u5728\u7c21\u55ae\u7684\u8a08\u7b97\u9084\u662f\u6578\u64da\u5206\u6790\u4e2d\uff0c\u638c\u63e1\u9019\u500b\u51fd\u6578\u90fd\u662f\u975e\u5e38\u6709\u7528\u7684\u3002\u5e0c\u671b\u9019\u7bc7\u6587\u7ae0\u80fd\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u4f7f\u7528 `round()` \u51fd\u6578\uff0c\u5be6\u73fe\u66f4\u7cbe\u78ba\u7684\u6578\u64da\u8655\u7406\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<p>**Q1: round() \u51fd\u6578\u662f\u5426\u6703\u5f71\u97ff\u6d6e\u9ede\u6578\u7684\u7cbe\u5ea6\uff1f**<br \/>\nA1: \u662f\u7684\uff0c\u56e0\u70ba\u6d6e\u9ede\u6578\u5728\u8a08\u7b97\u6a5f\u4e2d\u7684\u8868\u793a\u662f\u6709\u9650\u7684\uff0c\u4f7f\u7528 `round()` \u53ef\u80fd\u6703\u5c0e\u81f4\u7cbe\u5ea6\u4e1f\u5931\u3002\u5efa\u8b70\u5c0d\u65bc\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u8a08\u7b97\uff0c\u4f7f\u7528 `decimal` \u6a21\u7d44\u3002<\/p>\n<p>**Q2: \u5982\u4f55\u4f7f\u7528 round() \u51fd\u6578\u5c0d\u8ca0\u6578\u9032\u884c\u56db\u6368\u4e94\u5165\uff1f**<br \/>\nA2: `round()` \u51fd\u6578\u5c0d\u8ca0\u6578\u7684\u4f7f\u7528\u8207\u6b63\u6578\u76f8\u540c\u3002\u4f8b\u5982\uff0c`round(-3.14159, 2)` \u5c07\u8fd4\u56de `-3.14`\u3002<\/p>\n<p>**Q3: \u5728\u56db\u6368\u4e94\u5165\u6642\uff0c\u70ba\u4ec0\u9ebc\u6709\u6642\u5019\u6703\u51fa\u73fe\u4e0d\u7b26\u5408\u76f4\u89c0\u7684\u7d50\u679c\uff1f**<br \/>\nA3: \u9019\u662f\u56e0\u70ba\u6d6e\u9ede\u6578\u7684\u8868\u793a\u65b9\u5f0f\u548c\u56db\u6368\u4e94\u5165\u898f\u5247\u53ef\u80fd\u9020\u6210\u7684\uff0c\u7279\u5225\u662f\u4f7f\u7528 `round()` \u6642\uff0c\u6703\u6839\u64da\u6700\u8fd1\u5076\u6578\u9032\u884c\u56db\u6368\u4e94\u5165\uff08\u9280\u884c\u5bb6\u820d\u5165\u6cd5\uff09\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u4e2d\u7684round()\u51fd\u6578\u53ef\u4ee5\u5c07\u6578\u5b57\u56db\u6368\u4e94\u5165\u5230\u6307\u5b9a\u7684\u5c0f\u6578\u4f4d\u6578\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u8a08\u7b97\u7d50\u679c\u7684\u7cbe\u5ea6\uff0c\u4e26\u63d0\u4f9b\u66f4\u591a\u7684\u63a7\u5236\u9078\u9805\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-2812","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-Jm","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2812","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=2812"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2812\/revisions"}],"predecessor-version":[{"id":2813,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2812\/revisions\/2813"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=2812"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2812"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}