{"id":2638,"date":"2025-06-01T17:43:44","date_gmt":"2025-06-04T09:57:44","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2638"},"modified":"2025-06-04T17:43:44","modified_gmt":"2025-06-04T09:57:44","slug":"python-list-multiplication-operator-repeating-list","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/python-list-multiplication-operator-repeating-list\/","title":{"rendered":"\u638c\u63e1 Python \u4e32\u5217\u91cd\u8907\uff1a\u4f7f\u7528 * \u904b\u7b97\u5b50\u7684\u6700\u4f73\u5be6\u8e10\uff082025 \u6700\u65b0\u6559\u5b78\uff09"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, \u4e32\u5217, \u904b\u7b97\u5b50, \u91cd\u8907\u4e32\u5217, \u6559\u5b78, Python 2025\"><\/p>\n<p>\u5728 Python \u4e2d\uff0c\u4e32\u5217\uff08List\uff09\u662f\u4e00\u7a2e\u5e38\u7528\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u5141\u8a31\u6211\u5011\u5132\u5b58\u591a\u500b\u9805\u76ee\u3002\u4f7f\u7528 `*` \u904b\u7b97\u5b50\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u91cd\u8907\u4e32\u5217\uff0c\u9019\u70ba\u6211\u5011\u5728\u8655\u7406\u8cc7\u6599\u6642\u63d0\u4f9b\u4e86\u6975\u5927\u7684\u4fbf\u5229\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u6709\u6548\u4f7f\u7528\u9019\u4e00\u904b\u7b97\u5b50\u4f86\u5275\u5efa\u5927\u578b\u4e32\u5217\uff0c\u4e26\u63d0\u4f9b\u6700\u65b0\u7684 2025 \u5e74\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<p>## \u4f7f\u7528 `*` \u904b\u7b97\u5b50\u91cd\u8907\u4e32\u5217<\/p>\n<p>### \u7c21\u55ae\u7bc4\u4f8b<\/p>\n<p>\u5047\u8a2d\u4f60\u60f3\u5efa\u7acb\u4e00\u500b\u4e32\u5217\uff0c\u88e1\u9762\u6709 10 \u500b\u6578\u5b57 1\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 `*` \u904b\u7b97\u5b50\u4f86\u5feb\u901f\u9054\u6210\u9019\u4e00\u76ee\u6a19\uff1a<\/p>\n<p>&#8220;`python<br \/>\nlist_of_ones = [1] * 10<br \/>\n&#8220;`<\/p>\n<p>\u9019\u6a23\u5c31\u53ef\u4ee5\u5efa\u7acb\u51fa\u4e00\u500b\u5305\u542b 10 \u500b\u6578\u5b57 1 \u7684\u4e32\u5217\uff1a<\/p>\n<p>&#8220;`python<br \/>\nprint(list_of_ones)<br \/>\n# \u8f38\u51fa: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]\n&#8220;`<\/p>\n<p>### \u91cd\u8907\u5176\u4ed6\u4e32\u5217<\/p>\n<p>\u9664\u4e86\u91cd\u8907\u55ae\u4e00\u5143\u7d20\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528 `*` \u904b\u7b97\u5b50\u4f86\u91cd\u8907\u5176\u4ed6\u4e32\u5217\u3002\u4f8b\u5982\uff0c\u82e5\u4f60\u6709\u4e00\u500b\u5305\u542b\u6578\u5b57 1\u30012\u30013 \u7684\u4e32\u5217\uff0c\u60f3\u8981\u91cd\u8907\u9019\u500b\u4e32\u5217 3 \u6b21\uff0c\u53ef\u4ee5\u9019\u6a23\u505a\uff1a<\/p>\n<p>&#8220;`python<br \/>\nlist_of_numbers = [1, 2, 3]\nlist_of_numbers_repeated = list_of_numbers * 3<br \/>\n&#8220;`<\/p>\n<p>\u9019\u6a23\u5c31\u6703\u7522\u751f\u4e00\u500b\u5305\u542b 9 \u500b\u6578\u5b57\u7684\u4e32\u5217\uff1a<\/p>\n<p>&#8220;`python<br \/>\nprint(list_of_numbers_repeated)<br \/>\n# \u8f38\u51fa: [1, 2, 3, 1, 2, 3, 1, 2, 3]\n&#8220;`<\/p>\n<p>### \u932f\u8aa4\u6392\u9664<\/p>\n<p>\u5728\u4f7f\u7528 `*` \u904b\u7b97\u5b50\u6642\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\u4ee5\u907f\u514d\u932f\u8aa4\uff1a<\/p>\n<p>1. **\u5143\u7d20\u985e\u578b\u4e00\u81f4\u6027**\uff1a\u78ba\u4fdd\u4e32\u5217\u4e2d\u7684\u5143\u7d20\u985e\u578b\u4e00\u81f4\uff0c\u9019\u6a23\u5728\u9032\u4e00\u6b65\u64cd\u4f5c\u6642\u4e0d\u6703\u767c\u751f\u985e\u578b\u932f\u8aa4\u3002<br \/>\n2. **\u8a18\u61b6\u9ad4\u9650\u5236**\uff1a\u91cd\u8907\u5927\u578b\u4e32\u5217\u53ef\u80fd\u6703\u6d88\u8017\u5927\u91cf\u8a18\u61b6\u9ad4\uff0c\u9700\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<p>### \u5ef6\u4f38\u61c9\u7528<\/p>\n<p>`*` \u904b\u7b97\u5b50\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\u90fd\u53ef\u4ee5\u6d3e\u4e0a\u7528\u5834\uff0c\u4f8b\u5982\u5728\u751f\u6210\u6e2c\u8a66\u6578\u64da\u3001\u521d\u59cb\u5316\u5927\u578b\u6578\u64da\u7d50\u69cb\u6642\uff0c\u6216\u662f\u5728\u67d0\u4e9b\u6f14\u7b97\u6cd5\u4e2d\u9700\u8981\u5927\u91cf\u91cd\u8907\u6578\u64da\u6642\uff0c\u90fd\u662f\u6975\u70ba\u5be6\u7528\u7684\u5de5\u5177\u3002<\/p>\n<p>\u5982\u679c\u4f60\u60f3\u6df1\u5165\u4e86\u89e3 Python \u4e32\u5217\u7684\u5176\u4ed6\u7528\u6cd5\uff0c\u5efa\u8b70\u53c3\u8003 [\u9019\u7bc7\u6559\u5b78](https:\/\/vocus.cc)\uff0c\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u5be6\u4f5c\u7bc4\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<p>## Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n<p>### Q1: \u4f7f\u7528 `*` \u904b\u7b97\u5b50\u91cd\u8907\u4e32\u5217\u7684\u6027\u80fd\u5982\u4f55\uff1f<br \/>\nA1: \u4f7f\u7528 `*` \u904b\u7b97\u5b50\u4f86\u91cd\u8907\u4e32\u5217\u662f\u9ad8\u6548\u7684\uff0c\u56e0\u70ba\u5b83\u662f\u5167\u5efa\u7684\u8a9e\u6cd5\uff0c\u80fd\u5920\u5feb\u901f\u751f\u6210\u65b0\u7684\u4e32\u5217\u3002\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u91cd\u8907\u904e\u591a\u6703\u5c0e\u81f4\u8a18\u61b6\u9ad4\u7684\u6d88\u8017\u3002<\/p>\n<p>### Q2: \u53ef\u4ee5\u4f7f\u7528 `*` \u904b\u7b97\u5b50\u91cd\u8907\u4e0d\u540c\u985e\u578b\u7684\u5143\u7d20\u55ce\uff1f<br \/>\nA2: \u662f\u7684\uff0cPython \u5141\u8a31\u4e32\u5217\u4e2d\u5305\u542b\u4e0d\u540c\u985e\u578b\u7684\u5143\u7d20\uff0c\u4f46\u4f7f\u7528 `*` \u904b\u7b97\u5b50\u91cd\u8907\u9019\u6a23\u7684\u4e32\u5217\u6642\uff0c\u751f\u6210\u7684\u4e32\u5217\u4ecd\u6703\u4fdd\u7559\u9019\u4e9b\u4e0d\u540c\u985e\u578b\u7684\u5143\u7d20\u3002<\/p>\n<p>### Q3: \u5728 Python \u7684\u5176\u4ed6\u8cc7\u6599\u7d50\u69cb\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528 `*` \u904b\u7b97\u5b50\u55ce\uff1f<br \/>\nA3: `*` \u904b\u7b97\u5b50\u4e3b\u8981\u7528\u65bc\u4e32\u5217\uff0c\u5c0d\u65bc\u5176\u4ed6\u8cc7\u6599\u7d50\u69cb\u5982\u5143\u7d44\uff08Tuple\uff09\u4e5f\u53ef\u4ee5\u4f7f\u7528\uff0c\u4f46\u6548\u679c\u548c\u884c\u70ba\u6703\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p>\u900f\u904e\u9019\u7bc7\u6587\u7ae0\uff0c\u5e0c\u671b\u4f60\u80fd\u66f4\u597d\u5730\u7406\u89e3 Python \u4e32\u5217\u7684\u91cd\u8907\u4f7f\u7528\uff01\u5982\u6709\u5176\u4ed6\u554f\u984c\uff0c\u6b61\u8fce\u96a8\u6642\u7559\u8a00\u8a0e\u8ad6\u3002<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Python \u4e2d\uff0c\u4e32\u5217\uff08List\uff09\u662f\u4e00\u7a2e\u5e38\u7528\u7684&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"open","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":[],"class_list":["post-2638","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-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-Gy","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2638","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=2638"}],"version-history":[{"count":3,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2638\/revisions"}],"predecessor-version":[{"id":13051,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2638\/revisions\/13051"}],"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=2638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}