{"id":2617,"date":"2025-05-29T17:37:38","date_gmt":"2025-06-04T09:59:37","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2617"},"modified":"2025-06-04T17:37:38","modified_gmt":"2025-06-04T09:59:37","slug":"python-list-insert-syntax","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/python-list-insert-syntax\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e32\u5217(List) \u7684 insert() \u65b9\u6cd5\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u5be6\u4f5c\u7bc4\u4f8b"},"content":{"rendered":"<h2>\u6df1\u5165\u4e86\u89e3 Python \u4e32\u5217(List) \u7684 insert() \u65b9\u6cd5<\/h2>\n<p>\u5728 Python \u4e2d\uff0c\u4e32\u5217(List) \u662f\u4e00\u7a2e\u53ef\u8b8a\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u5141\u8a31\u6211\u5011\u5132\u5b58\u591a\u500b\u5143\u7d20\u3002\u4f7f\u7528 `insert()` \u65b9\u6cd5\uff0c\u6211\u5011\u53ef\u4ee5\u5728\u6307\u5b9a\u7684\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u9019\u4f7f\u5f97\u4e32\u5217\u7684\u64cd\u4f5c\u8b8a\u5f97\u66f4\u52a0\u9748\u6d3b\u8207\u5f37\u5927\u3002\u4ee5\u4e0b\u5c07\u4ecb\u7d39 `insert()` \u65b9\u6cd5\u7684\u6700\u65b0\u8a9e\u6cd5\u3001\u53c3\u6578\u89e3\u91cb\u3001\u5be6\u4f5c\u7bc4\u4f8b\u53ca\u5e38\u898b\u932f\u8aa4\u6392\u9664\uff0c\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u638c\u63e1\u9019\u4e00\u529f\u80fd\u3002<\/p>\n<h3>\u8a9e\u6cd5<\/h3>\n<p>&#8220;`python<br \/>\nlist.insert(index, element)<br \/>\n&#8220;`<\/p>\n<h3>\u53c3\u6578<\/h3>\n<ul>\n<li><strong>index<\/strong> &#8211; \u6307\u5b9a\u63d2\u5165\u5143\u7d20\u7684\u4f4d\u7f6e\uff0c\u5fc5\u9808\u662f\u6574\u6578\u3002\u5982\u679c index \u5927\u65bc\u4e32\u5217\u9577\u5ea6\uff0c\u5247\u5143\u7d20\u5c07\u88ab\u6dfb\u52a0\u5230\u4e32\u5217\u7684\u672b\u5c3e\u3002<\/li>\n<li><strong>element<\/strong> &#8211; \u8981\u63d2\u5165\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u662f\u4efb\u4f55\u8cc7\u6599\u578b\u5225\uff0c\u5982\u5b57\u4e32\u3001\u6574\u6578\u3001\u751a\u81f3\u662f\u5176\u4ed6\u4e32\u5217\u3002<\/li>\n<\/ul>\n<h3>\u7bc4\u4f8b<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u4e32\u5217\uff1a<\/p>\n<p>&#8220;`python<br \/>\nfruits = [&#8220;apple&#8221;, &#8220;banana&#8221;, &#8220;cherry&#8221;]\n&#8220;`<\/p>\n<p>\u8981\u5728\u4e32\u5217\u7684\u7b2c\u4e8c\u500b\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20 &#8220;orange&#8221;\uff0c\u53ef\u4ee5\u9019\u6a23\u4f7f\u7528 `insert()` \u65b9\u6cd5\uff1a<\/p>\n<p>&#8220;`python<br \/>\nfruits.insert(1, &#8220;orange&#8221;)<br \/>\n&#8220;`<\/p>\n<p>\u57f7\u884c\u5f8c\uff0c\u4e32\u5217\u8b8a\u6210\uff1a<\/p>\n<p>&#8220;`python<br \/>\nfruits = [&#8220;apple&#8221;, &#8220;orange&#8221;, &#8220;banana&#8221;, &#8220;cherry&#8221;]\n&#8220;`<\/p>\n<h3>\u66f4\u591a\u7bc4\u4f8b<\/h3>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u5728\u4e32\u5217\u7684\u6700\u5f8c\u63d2\u5165\u4e00\u500b\u5143\u7d20 &#8220;mango&#8221;\uff0c\u53ef\u4ee5\u9019\u6a23\u505a\uff1a<\/p>\n<p>&#8220;`python<br \/>\nfruits.insert(len(fruits), &#8220;mango&#8221;)<br \/>\n&#8220;`<\/p>\n<p>\u57f7\u884c\u5f8c\uff0c\u4e32\u5217\u8b8a\u6210\uff1a<\/p>\n<p>&#8220;`python<br \/>\nfruits = [&#8220;apple&#8221;, &#8220;orange&#8221;, &#8220;banana&#8221;, &#8220;cherry&#8221;, &#8220;mango&#8221;]\n&#8220;`<\/p>\n<h3>\u932f\u8aa4\u6392\u9664<\/h3>\n<p>\u5728\u4f7f\u7528 `insert()` \u65b9\u6cd5\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e38\u898b\u932f\u8aa4\uff1a<\/p>\n<p>1. **IndexError**\uff1a\u5982\u679c\u6307\u5b9a\u7684 index \u5c0f\u65bc 0\uff0c\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u78ba\u4fdd index \u662f\u6709\u6548\u7684\u6574\u6578\u3002<br \/>\n2. **TypeError**\uff1a\u5982\u679c\u63d2\u5165\u7684\u5143\u7d20\u985e\u578b\u4e0d\u6b63\u78ba\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u78ba\u4fdd\u8981\u63d2\u5165\u7684\u5143\u7d20\u662f\u53ef\u63a5\u53d7\u7684\u8cc7\u6599\u578b\u5225\u3002<\/p>\n<h3>\u5ef6\u4f38\u61c9\u7528<\/h3>\n<p>`insert()` \u65b9\u6cd5\u4e0d\u50c5\u9069\u7528\u65bc\u57fa\u672c\u7684\u4e32\u5217\u64cd\u4f5c\uff0c\u9084\u53ef\u4ee5\u7528\u5728\u66f4\u8907\u96dc\u7684\u8cc7\u6599\u7d50\u69cb\u4e2d\u3002\u4f8b\u5982\uff0c\u7576\u4f60\u9700\u8981\u5728\u7279\u5b9a\u689d\u4ef6\u4e0b\u52d5\u614b\u63d2\u5165\u5143\u7d20\u6642\uff0c\u9019\u500b\u65b9\u6cd5\u7279\u5225\u6709\u7528\u3002\u6b64\u5916\uff0c\u4e86\u89e3\u4e32\u5217\u7684\u5176\u5b83\u65b9\u6cd5\uff08\u5982 `append()` \u548c `extend()`\uff09\u5c0d\u65bc\u66f4\u9ad8\u6548\u7684\u8cc7\u6599\u64cd\u4f5c\u4e5f\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p>\u60f3\u8981\u6df1\u5165\u4e86\u89e3 Python \u7684\u5176\u4ed6\u4e32\u5217\u64cd\u4f5c\uff0c\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7 [Python \u4e32\u5217\u6559\u5b78](https:\/\/vocus.cc) \u3002<\/p>\n<h3>\u7e3d\u7d50<\/h3>\n<p>Python \u7684 `insert()` \u65b9\u6cd5\u70ba\u6211\u5011\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u65b9\u5f0f\u4f86\u5728\u4e32\u5217\u4e2d\u63d2\u5165\u5143\u7d20\uff0c\u7121\u8ad6\u662f\u6dfb\u52a0\u65b0\u7684\u8cc7\u6599\u9084\u662f\u91cd\u7d44\u5df2\u5b58\u5728\u7684\u4e32\u5217\uff0c\u9019\u90fd\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u5de5\u5177\u3002\u900f\u904e\u5b78\u7fd2\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\uff0c\u60a8\u5c07\u80fd\u5920\u66f4\u6709\u6548\u5730\u4f7f\u7528 Python \u9032\u884c\u8cc7\u6599\u8655\u7406\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<p>**Q1: `insert()` \u65b9\u6cd5\u53ef\u4ee5\u5728\u4e32\u5217\u7684\u8ca0\u7d22\u5f15\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u55ce\uff1f**<br \/>\nA1: \u662f\u7684\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u8ca0\u7d22\u5f15\u4f86\u6307\u5b9a\u63d2\u5165\u4f4d\u7f6e\uff0c\u9019\u6a23\u6703\u5f9e\u4e32\u5217\u7684\u672b\u5c3e\u958b\u59cb\u8a08\u7b97\u3002\u4f8b\u5982\uff0c`list.insert(-1, &#8220;new_element&#8221;)` \u5c07\u6703\u5728\u5012\u6578\u7b2c\u4e8c\u500b\u4f4d\u7f6e\u63d2\u5165\u65b0\u5143\u7d20\u3002<\/p>\n<p>**Q2: \u5982\u679c\u6211\u4f7f\u7528 `insert()` \u65b9\u6cd5\u63d2\u5165\u4e00\u500b\u5df2\u7d93\u5b58\u5728\u7684\u5143\u7d20\uff0c\u6703\u767c\u751f\u4ec0\u9ebc\u60c5\u6cc1\uff1f**<br \/>\nA2: \u5982\u679c\u60a8\u5728\u4e32\u5217\u4e2d\u63d2\u5165\u4e00\u500b\u5df2\u5b58\u5728\u7684\u5143\u7d20\uff0c\u8a72\u5143\u7d20\u5c07\u6703\u5728\u6307\u5b9a\u4f4d\u7f6e\u88ab\u63d2\u5165\uff0c\u4e26\u4e0d\u6703\u79fb\u9664\u6216\u66ff\u63db\u539f\u6709\u7684\u5143\u7d20\u3002\u9019\u6a23\uff0c\u4e32\u5217\u4e2d\u6703\u5b58\u5728\u91cd\u8907\u7684\u503c\u3002<\/p>\n<p>**Q3: `insert()` \u65b9\u6cd5\u7684\u6642\u9593\u8907\u96dc\u5ea6\u662f\u4ec0\u9ebc\uff1f**<br \/>\nA3: `insert()` \u65b9\u6cd5\u7684\u6642\u9593\u8907\u96dc\u5ea6\u70ba O(n)\uff0c\u56e0\u70ba\u5728\u63d2\u5165\u65b0\u5143\u7d20\u5f8c\uff0c\u53ef\u80fd\u9700\u8981\u79fb\u52d5\u5f8c\u7e8c\u7684\u6240\u6709\u5143\u7d20\u4ee5\u9a30\u51fa\u7a7a\u9593\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u4e86\u89e3 Python \u4e32\u5217(List) \u7684 in&#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-2617","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-Gd","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2617","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=2617"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2617\/revisions"}],"predecessor-version":[{"id":2619,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2617\/revisions\/2619"}],"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=2617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}