{"id":2629,"date":"2025-05-30T17:04:33","date_gmt":"2025-06-04T09:58:32","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2629"},"modified":"2025-06-04T17:04:33","modified_gmt":"2025-06-04T09:58:32","slug":"python-list-extend-syntax","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/python-list-extend-syntax\/","title":{"rendered":"2025 \u6700\u65b0 Python \u4e32\u5217(List) extend() \u8a9e\u6cd5\u6559\u5b78\uff1a\u5c07\u5169\u500b\u4e32\u5217\u5408\u4f75\u6210\u4e00\u500b\u4e32\u5217\u7684\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

Python \u4e32\u5217(List) extend() \u8a9e\u6cd5<\/h2>\n

\u5728 Python \u4e2d\uff0c\u4e32\u5217(List) \u662f\u4e00\u7a2e\u975e\u5e38\u9748\u6d3b\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u800c `extend()` \u65b9\u6cd5\u5247\u662f\u7528\u65bc\u5c07\u4e00\u500b\u4e32\u5217\u7684\u5143\u7d20\u52a0\u5165\u5230\u53e6\u4e00\u500b\u4e32\u5217\u4e2d\u3002\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u5169\u500b\u4e32\u5217\u5408\u4f75\u6210\u4e00\u500b\u4e32\u5217\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u4ecb\u7d39 `extend()` \u65b9\u6cd5\u7684\u8a9e\u6cd5\u3001\u4f7f\u7528\u793a\u4f8b\u3001\u5e38\u898b\u932f\u8aa4\u6392\u9664\u53ca\u5ef6\u4f38\u61c9\u7528\u3002<\/p>\n

extend() \u8a9e\u6cd5\u683c\u5f0f<\/h3>\n

`extend()` \u65b9\u6cd5\u7684\u57fa\u672c\u8a9e\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

“`python
\nlist1.extend(list2)
\n“`<\/p>\n

\u9019\u88e1\uff0c`list1` \u662f\u8981\u88ab\u52a0\u5165\u5143\u7d20\u7684\u4e32\u5217\uff0c\u800c `list2` \u662f\u8981\u52a0\u5165\u7684\u4e32\u5217\u3002<\/p>\n

\u4f7f\u7528\u793a\u4f8b<\/h3>\n

\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u4e32\u5217\uff0c`list1` \u548c `list2`\uff1a<\/p>\n

“`python
\nlist1 = [1, 2, 3]\nlist2 = [4, 5, 6]\n“`<\/p>\n

\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 `extend()` \u65b9\u6cd5\u5c07 `list2` \u7684\u5143\u7d20\u52a0\u5165\u5230 `list1` \u4e2d\uff1a<\/p>\n

“`python
\nlist1.extend(list2)
\n“`<\/p>\n

\u57f7\u884c\u5f8c\uff0c`list1` \u7684\u5167\u5bb9\u5c07\u6703\u8b8a\u6210\uff1a<\/p>\n

“`python
\nlist1 = [1, 2, 3, 4, 5, 6]\n“`<\/p>\n

\u5982\u4e0a\u6240\u793a\uff0c`list2` \u7684\u5143\u7d20\u5df2\u7d93\u6210\u529f\u5730\u88ab\u52a0\u5165\u5230 `list1` \u4e2d\u4e86\u3002<\/p>\n

\u5e38\u898b\u932f\u8aa4\u6392\u9664<\/h3>\n

\u5728\u4f7f\u7528 `extend()` \u65b9\u6cd5\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e7e\u500b\u5e38\u898b\u554f\u984c\uff1a<\/p>\n

1. **TypeError\uff1a’int’ object is not iterable**
\n \u9019\u901a\u5e38\u662f\u56e0\u70ba\u5617\u8a66\u5c07\u975e\u53ef\u8fed\u4ee3\u7269\u4ef6\uff08\u5982\u6574\u6578\uff09\u50b3\u905e\u7d66 `extend()` \u65b9\u6cd5\u3002\u8acb\u78ba\u4fdd\u50b3\u905e\u7684\u53c3\u6578\u662f\u4e00\u500b\u4e32\u5217\u6216\u5176\u4ed6\u53ef\u8fed\u4ee3\u7269\u4ef6\u3002<\/p>\n

2. **\u78ba\u8a8d\u4e32\u5217\u5167\u5bb9**
\n \u6709\u6642\u5019\uff0c\u57f7\u884c\u5f8c\u4f60\u53ef\u80fd\u6703\u767c\u73fe `list1` \u6c92\u6709\u8b8a\u5316\uff0c\u9019\u53ef\u80fd\u662f\u56e0\u70ba\u4f60\u932f\u8aa4\u5730\u4f7f\u7528\u4e86 `append()` \u65b9\u6cd5\uff0c\u800c\u4e0d\u662f `extend()`\u3002`append()` \u6703\u5c07\u6574\u500b\u4e32\u5217\u4f5c\u70ba\u55ae\u4e00\u5143\u7d20\u52a0\u5165\uff0c\u800c `extend()` \u6703\u9010\u4e00\u52a0\u5165\u5143\u7d20\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h3>\n

`extend()` \u65b9\u6cd5\u5728\u5408\u4f75\u4e32\u5217\u6642\u975e\u5e38\u65b9\u4fbf\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528 `+` \u64cd\u4f5c\u7b26\u6216 `itertools.chain()` \u65b9\u6cd5\u4e5f\u662f\u53ef\u884c\u7684\u3002\u4ee5\u4e0b\u662f\u9019\u4e9b\u65b9\u6cd5\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n

– \u4f7f\u7528 `+` \u64cd\u4f5c\u7b26\u5408\u4f75\u4e32\u5217\uff1a<\/p>\n

“`python
\nlist1 = list1 + list2
\n“`<\/p>\n

– \u4f7f\u7528 `itertools.chain()` \u4f86\u5408\u4f75\u4e32\u5217\uff1a<\/p>\n

“`python
\nfrom itertools import chain<\/p>\n

combined_list = list(chain(list1, list2))
\n“`<\/p>\n

\u9019\u4e9b\u65b9\u6cd5\u5404\u6709\u5176\u9069\u7528\u60c5\u6cc1\uff0c\u6839\u64da\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u65b9\u5f0f\u3002<\/p>\n

\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3 Python \u4e32\u5217\u7684\u4f7f\u7528\uff0c\u5efa\u8b70\u53c3\u8003 [vocus.cc \u7684 Python \u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc)\u3002<\/p>\n

Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n

Q1: `extend()` \u548c `append()` \u6709\u4ec0\u9ebc\u5340\u5225\uff1f<\/strong>
\nA1: `extend()` \u7528\u65bc\u5c07\u4e00\u500b\u4e32\u5217\u7684\u5143\u7d20\u52a0\u5165\u5230\u53e6\u4e00\u500b\u4e32\u5217\u4e2d\uff0c\u800c `append()` \u662f\u5c07\u6574\u500b\u4e32\u5217\u4f5c\u70ba\u55ae\u4e00\u5143\u7d20\u52a0\u5165\u3002<\/p>\n

Q2: \u53ef\u4ee5\u4f7f\u7528 `extend()` \u65b9\u6cd5\u4f86\u5408\u4f75\u591a\u500b\u4e32\u5217\u55ce\uff1f<\/strong>
\nA2: \u662f\u7684\uff0c\u4f60\u53ef\u4ee5\u591a\u6b21\u547c\u53eb `extend()` \u65b9\u6cd5\u4f86\u5408\u4f75\u591a\u500b\u4e32\u5217\uff0c\u6216\u8005\u4f7f\u7528 `itertools.chain()`\u3002<\/p>\n

Q3: \u4f7f\u7528 `extend()` \u65b9\u6cd5\u5f8c\uff0c\u539f\u59cb\u4e32\u5217\u6703\u88ab\u6539\u8b8a\u55ce\uff1f<\/strong>
\nA3: \u6703\u7684\uff0c`extend()` \u65b9\u6cd5\u6703\u76f4\u63a5\u4fee\u6539\u539f\u59cb\u4e32\u5217\uff0c\u5c07\u65b0\u5143\u7d20\u52a0\u5165\u5176\u4e2d\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

Python \u4e32\u5217(List) extend() …<\/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-2629","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-Gp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2629","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=2629"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2629\/revisions"}],"predecessor-version":[{"id":2631,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2629\/revisions\/2631"}],"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=2629"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2629"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}