{"id":2635,"date":"2025-05-29T17:57:19","date_gmt":"2025-06-04T09:58:18","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2635"},"modified":"2025-06-04T17:57:19","modified_gmt":"2025-06-04T09:58:18","slug":"python-list-merge","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/python-list-merge\/","title":{"rendered":"2025 \u6700\u65b0\u7248\uff1a\u5982\u4f55\u5728 Python \u4e2d\u9ad8\u6548\u5408\u4f75\u5169\u500b\u4e32\u5217"},"content":{"rendered":"

<\/p>\n

\u5728 Python \u4e2d\uff0c\u4e32\u5217 (List) \u662f\u4e00\u7a2e\u6975\u70ba\u5e38\u7528\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u5b83\u53ef\u4ee5\u5132\u5b58\u591a\u500b\u5143\u7d20\u4e26\u652f\u63f4\u5404\u7a2e\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u5168\u9762\u4ecb\u7d39\u5982\u4f55\u5728 2025 \u5e74\u7684 Python \u7248\u672c\u4e2d\uff0c\u4f7f\u7528\u6700\u4f73\u5be6\u8e10\u4f86\u6709\u6548\u5408\u4f75\u5169\u500b\u4e32\u5217\u3002<\/p>\n

\u4ec0\u9ebc\u662f Python \u4e32\u5217 (List)<\/h2>\n

Python \u4e32\u5217 (List) \u662f\u4e00\u7a2e\u53ef\u8b8a\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u53ef\u4ee5\u5132\u5b58\u4efb\u4f55\u985e\u578b\u7684\u8cc7\u6599\uff0c\u5305\u62ec\u6578\u5b57\u3001\u5b57\u4e32\u3001\u5e03\u6797\u503c\u7b49\u3002\u4e32\u5217\u7684\u5143\u7d20\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u4f86\u5b58\u53d6\uff0c\u7d22\u5f15\u5f9e 0 \u958b\u59cb\u3002\u4f8b\u5982\uff1a<\/p>\n

“`python
\nlist1 = [1, 2, 3, 4, 5]\nlist2 = [“a”, “b”, “c”, “d”, “e”]\n“`<\/p>\n

\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u793a\u7bc4\u4e86\u5982\u4f55\u5efa\u7acb\u5169\u500b\u4e32\u5217\uff0c`list1` \u5132\u5b58\u4e86\u6578\u5b57\uff0c\u800c `list2` \u5132\u5b58\u4e86\u5b57\u4e32\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528 Python \u4e32\u5217 (List) \u5c07\u5169\u500b\u4e32\u5217\u5408\u4f75<\/h2>\n

\u5728 Python \u4e2d\uff0c\u6709\u591a\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u5408\u4f75\u5169\u500b\u4e32\u5217\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n

### \u65b9\u6cd5 1: \u4f7f\u7528\u904b\u7b97\u5b50 “+”
\n\u8981\u5c07\u5169\u500b\u4e32\u5217\u5408\u4f75\uff0c\u53ef\u4ee5\u4f7f\u7528\u904b\u7b97\u5b50 `+`\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

“`python
\nlist3 = list1 + list2
\n“`<\/p>\n

\u9019\u884c\u7a0b\u5f0f\u78bc\u5c07 `list1` \u548c `list2` \u5408\u4f75\uff0c\u4e26\u5c07\u7d50\u679c\u5132\u5b58\u5728 `list3` \u4e2d\u3002\u5408\u4f75\u5f8c\u7684 `list3` \u5167\u5bb9\u5982\u4e0b\uff1a<\/p>\n

“`python
\n[1, 2, 3, 4, 5, “a”, “b”, “c”, “d”, “e”]\n“`<\/p>\n

### \u65b9\u6cd5 2: \u4f7f\u7528 `extend()` \u65b9\u6cd5
\n\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u4f7f\u7528 `extend()` \u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5c07\u4e00\u500b\u4e32\u5217\u7684\u5143\u7d20\u6dfb\u52a0\u5230\u53e6\u4e00\u500b\u4e32\u5217\u4e2d\uff1a<\/p>\n

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

\u57f7\u884c\u5f8c\uff0c`list1` \u5c07\u8b8a\u70ba\uff1a<\/p>\n

“`python
\n[1, 2, 3, 4, 5, “a”, “b”, “c”, “d”, “e”]\n“`<\/p>\n

### \u65b9\u6cd5 3: \u4f7f\u7528 `itertools.chain()`
\n\u5982\u679c\u60a8\u9700\u8981\u5408\u4f75\u5927\u91cf\u4e32\u5217\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 `itertools.chain()`\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u8655\u7406\u5167\u5b58\uff1a<\/p>\n

“`python
\nimport itertools<\/p>\n

list3 = list(itertools.chain(list1, list2))
\n“`<\/p>\n

\u9019\u5c07\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u4e32\u5217 `list3`\uff0c\u5176\u5167\u5bb9\u8207\u4e4b\u524d\u76f8\u540c\u3002<\/p>\n

\u932f\u8aa4\u6392\u9664<\/h2>\n

\u5728\u5408\u4f75\u4e32\u5217\u6642\uff0c\u6709\u6642\u6703\u9047\u5230\u5e7e\u500b\u5e38\u898b\u932f\u8aa4\uff0c\u4f8b\u5982\uff1a<\/p>\n

– **TypeError**\uff1a\u5982\u679c\u60a8\u5617\u8a66\u5c07\u975e\u4e32\u5217\u8cc7\u6599\u985e\u578b\uff08\u5982\u5b57\u5178\u6216\u6578\u5b57\uff09\u8207\u4e32\u5217\u5408\u4f75\uff0c\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u78ba\u4fdd\u60a8\u5408\u4f75\u7684\u5169\u500b\u7269\u4ef6\u90fd\u662f\u4e32\u5217\u3002
\n– **\u8a18\u61b6\u9ad4\u554f\u984c**\uff1a\u7576\u5408\u4f75\u975e\u5e38\u5927\u7684\u4e32\u5217\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8a18\u61b6\u9ad4\u4e0d\u8db3\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 `itertools.chain()` \u4f86\u907f\u514d\u6b64\u554f\u984c\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

\u5408\u4f75\u4e32\u5217\u7684\u6280\u5de7\u53ef\u4ee5\u64f4\u5c55\u5230\u5176\u4ed6\u8cc7\u6599\u7d50\u69cb\u7684\u4f7f\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n

– **\u5408\u4f75\u591a\u500b\u4e32\u5217**\uff1a\u4f7f\u7528 `+` \u6216 `extend()` \u65b9\u6cd5\u6642\uff0c\u53ef\u4ee5\u5728\u5faa\u74b0\u4e2d\u5408\u4f75\u591a\u500b\u4e32\u5217\u3002
\n– **\u8cc7\u6599\u6e05\u7406**\uff1a\u5728\u5408\u4f75\u4e32\u5217\u4e4b\u524d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 `set()` \u4f86\u53bb\u9664\u91cd\u8907\u5143\u7d20\u3002<\/p>\n

\u6b64\u5916\uff0c\u60a8\u53ef\u4ee5\u53c3\u8003\u6211\u7684\u5176\u4ed6 [Python \u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc) \u7372\u53d6\u66f4\u591a\u5be6\u7528\u7684\u7a0b\u5f0f\u8a2d\u8a08\u77e5\u8b58\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 2025 \u5e74\u7684 Python \u4e2d\u5408\u4f75\u5169\u500b\u4e32\u5217\uff0c\u4e26\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u53ca\u5176\u512a\u7f3a\u9ede\u3002\u7121\u8ad6\u60a8\u662f\u525b\u5165\u9580\u7684\u7a0b\u5f0f\u8a2d\u8a08\u5e2b\uff0c\u9084\u662f\u6709\u7d93\u9a57\u7684\u958b\u767c\u8005\uff0c\u9019\u4e9b\u6280\u5de7\u90fd\u5c07\u5e6b\u52a9\u60a8\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u6548\u7387\u548c\u53ef\u8b80\u6027\u3002<\/p>\n

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

**Q1: Python \u4e2d\u4e32\u5217\u7684\u6700\u5927\u5143\u7d20\u6578\u91cf\u662f\u591a\u5c11\uff1f**
\nA1: Python \u4e32\u5217\u7684\u5927\u5c0f\u50c5\u53d7\u9650\u65bc\u53ef\u7528\u7684\u8a18\u61b6\u9ad4\uff0c\u7406\u8ad6\u4e0a\u53ef\u4ee5\u5132\u5b58\u6578\u767e\u842c\u500b\u5143\u7d20\u3002<\/p>\n

**Q2: \u5982\u4f55\u78ba\u8a8d\u5169\u500b\u4e32\u5217\u662f\u5426\u76f8\u7b49\uff1f**
\nA2: \u53ef\u4ee5\u4f7f\u7528 `==` \u904b\u7b97\u5b50\u4f86\u6bd4\u8f03\u5169\u500b\u4e32\u5217\uff0c\u82e5\u5167\u5bb9\u76f8\u540c\u5247\u8fd4\u56de `True`\uff0c\u5426\u5247\u8fd4\u56de `False`\u3002<\/p>\n

**Q3: \u4f7f\u7528 `+` \u548c `extend()` \u65b9\u6cd5\u7684\u5340\u5225\u662f\u4ec0\u9ebc\uff1f**
\nA3: \u4f7f\u7528 `+` \u65b9\u6cd5\u5c07\u8fd4\u56de\u4e00\u500b\u65b0\u4e32\u5217\uff0c\u800c `extend()` \u65b9\u6cd5\u6703\u4fee\u6539\u539f\u59cb\u4e32\u5217\u3002<\/p>\n

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

\u5728 Python \u4e2d\uff0c\u4e32\u5217 (List) \u662f\u4e00\u7a2e\u6975…<\/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-2635","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-Gv","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2635","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=2635"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2635\/revisions"}],"predecessor-version":[{"id":2637,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2635\/revisions\/2637"}],"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=2635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}