{"id":3174,"date":"2025-05-29T15:55:13","date_gmt":"2025-06-04T08:43:13","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3174"},"modified":"2025-06-04T15:55:13","modified_gmt":"2025-06-04T08:43:13","slug":"%e4%ba%86%e8%a7%a3python%e5%ad%97%e5%85%b8dict%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-2","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e5%ad%97%e5%85%b8dict%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-2\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u5b57\u5178 (dict) \u7684\u4f7f\u7528\u8207\u6700\u4f73\u5be6\u8e10\u30102025 \u6700\u65b0\u6559\u5b78\u3011"},"content":{"rendered":"

<\/p>\n

Python dict() \u7684\u4f7f\u7528\u65b9\u6cd5<\/h1>\n

Python \u4e2d\u7684 `dict()` \u51fd\u5f0f\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5efa\u7acb\u5b57\u5178\u8cc7\u6599\u7d50\u69cb\u3002\u5728 Python \u4e2d\uff0c\u5b57\u5178\u4ee5\u9375\u503c\u5c0d\u7684\u65b9\u5f0f\u5132\u5b58\u8cc7\u6599\uff0c\u8b93\u6211\u5011\u80fd\u5920\u5feb\u901f\u67e5\u627e\u548c\u7ba1\u7406\u8cc7\u6599\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u70ba\u60a8\u4ecb\u7d39 `dict()` \u7684\u57fa\u672c\u7528\u6cd5\u3001\u9ad8\u7d1a\u7528\u6cd5\u3001\u5e38\u898b\u932f\u8aa4\u6392\u9664\u53ca\u5ef6\u4f38\u61c9\u7528\uff0c\u5e6b\u52a9\u60a8\u638c\u63e1 Python \u5b57\u5178\u7684\u4f7f\u7528\u3002<\/p>\n

dict() \u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n

`dict()` \u51fd\u5f0f\u7684\u57fa\u672c\u7528\u6cd5\u662f\u5c07\u4e00\u500b\u53ef\u8fed\u4ee3\u7684\u7269\u4ef6\uff08\u4f8b\u5982\u5143\u7d44\u6216\u5217\u8868\uff09\u8f49\u63db\u6210\u5b57\u5178\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u57fa\u672c\u793a\u4f8b\uff1a<\/p>\n

“`python
\n# \u5c07\u5143\u7d44\u8f49\u63db\u6210\u5b57\u5178
\nmy_dict = dict(((‘a’, 1), (‘b’, 2), (‘c’, 3)))<\/p>\n

# \u5c07\u5217\u8868\u8f49\u63db\u6210\u5b57\u5178
\nmy_dict = dict([[‘a’, 1], [‘b’, 2], [‘c’, 3]])
\n“`<\/p>\n

\u5728\u9019\u4e9b\u7bc4\u4f8b\u4e2d\uff0c\u5143\u7d44\u6216\u5217\u8868\u7684\u7b2c\u4e00\u500b\u5143\u7d20\u5c07\u4f5c\u70ba\u5b57\u5178\u7684\u9375\uff0c\u7b2c\u4e8c\u500b\u5143\u7d20\u5247\u70ba\u5b57\u5178\u7684\u503c\u3002\u9019\u4f7f\u5f97\u5b57\u5178\u6210\u70ba\u4e00\u500b\u975e\u5e38\u9748\u6d3b\u7684\u8cc7\u6599\u7d50\u69cb\u3002<\/p>\n

dict() \u7684\u9ad8\u7d1a\u7528\u6cd5<\/h2>\n

\u9664\u4e86\u57fa\u672c\u7528\u6cd5\u5916\uff0c`dict()` \u9084\u53ef\u4ee5\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff1a\u7b2c\u4e00\u500b\u662f\u53ef\u8fed\u4ee3\u7684\u7269\u4ef6\uff0c\u7b2c\u4e8c\u500b\u662f\u8655\u7406\u8a72\u7269\u4ef6\u4e2d\u6bcf\u500b\u5143\u7d20\u7684\u51fd\u5f0f\u3002\u4ee5\u4e0b\u662f\u9ad8\u7d1a\u7528\u6cd5\u7684\u7bc4\u4f8b\uff1a<\/p>\n

“`python
\n# \u5c07\u5217\u8868\u8f49\u63db\u6210\u5b57\u5178
\nmy_list = [1, 2, 3, 4, 5]\n

# \u5b9a\u7fa9\u4e00\u500b\u51fd\u5f0f\uff0c\u5c07\u5217\u8868\u4e2d\u7684\u5143\u7d20\u8f49\u63db\u6210\u9375\u503c\u5c0d
\ndef my_func(x):
\n return (x, x * x)<\/p>\n

# \u5c07\u5217\u8868\u8f49\u63db\u6210\u5b57\u5178
\nmy_dict = dict(zip(my_list, map(my_func, my_list)))
\n“`<\/p>\n

\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 `map()` \u51fd\u5f0f\u5c07 `my_func` \u61c9\u7528\u65bc\u5217\u8868\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\uff0c\u4e26\u4f7f\u7528 `zip()` \u5c07\u5176\u7d50\u679c\u7d44\u5408\u6210\u5b57\u5178\u3002\u9019\u7a2e\u65b9\u6cd5\u80fd\u5920\u9748\u6d3b\u5730\u5275\u5efa\u5b57\u5178\uff0c\u4e26\u53ef\u7528\u65bc\u66f4\u8907\u96dc\u7684\u8cc7\u6599\u8f49\u63db\u3002<\/p>\n

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

\u5728\u4f7f\u7528 `dict()` \u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u932f\u8aa4\uff0c\u4f8b\u5982\uff1a<\/p>\n

– **TypeError**\uff1a\u7576\u60a8\u5617\u8a66\u5c07\u4e0d\u53ef\u8fed\u4ee3\u7684\u7269\u4ef6\u50b3\u905e\u7d66 `dict()` \u6642\uff0c\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u8acb\u78ba\u4fdd\u50b3\u905e\u7684\u7269\u4ef6\u662f\u53ef\u8fed\u4ee3\u7684\u3002
\n– **ValueError**\uff1a\u5982\u679c\u8f38\u5165\u7684\u9375\u503c\u5c0d\u5177\u6709\u91cd\u8907\u7684\u9375\uff0c\u5247\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u6aa2\u67e5\u60a8\u7684\u6578\u64da\u78ba\u4fdd\u6bcf\u500b\u9375\u90fd\u662f\u552f\u4e00\u7684\u3002<\/p>\n

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

\u5b57\u5178\u4e0d\u50c5\u50c5\u9650\u65bc\u57fa\u672c\u7684\u9375\u503c\u5c0d\u5132\u5b58\u3002\u60a8\u53ef\u4ee5\u5229\u7528\u5b57\u5178\u9032\u884c\u66f4\u8907\u96dc\u7684\u8cc7\u6599\u7ba1\u7406\uff0c\u4f8b\u5982\uff1a<\/p>\n

– **\u8a08\u6578\u5668**\uff1a\u4f7f\u7528 `collections.Counter` \u4f86\u8a08\u7b97\u5143\u7d20\u51fa\u73fe\u7684\u6b21\u6578\u3002
\n– **\u5d4c\u5957\u5b57\u5178**\uff1a\u5275\u5efa\u591a\u5c64\u6b21\u7d50\u69cb\u7684\u5b57\u5178\u4f86\u5132\u5b58\u66f4\u8907\u96dc\u7684\u8cc7\u6599\u3002<\/p>\n

\u9019\u4e9b\u61c9\u7528\u90fd\u662f\u57fa\u65bc\u5b57\u5178\u7684\u5f48\u6027\u548c\u5f37\u5927\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u60a8\u66f4\u6709\u6548\u7387\u5730\u7ba1\u7406\u8cc7\u6599\u3002<\/p>\n

\u5728\u9032\u4e00\u6b65\u5b78\u7fd2 Python \u7684\u904e\u7a0b\u4e2d\uff0c\u60a8\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7 [Python \u5b57\u5178\u7684\u6df1\u5165\u63a2\u8a0e](https:\/\/vocus.cc\/article\/635e5e6af9f3e40001f1e1b9)\uff0c\u9019\u5c07\u6709\u52a9\u65bc\u60a8\u66f4\u5168\u9762\u5730\u4e86\u89e3\u6b64\u8cc7\u6599\u7d50\u69cb\u7684\u6f5b\u529b\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

Python \u7684 `dict()` \u51fd\u5f0f\u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u6211\u5011\u5feb\u901f\u5275\u5efa\u548c\u7ba1\u7406\u5b57\u5178\u8cc7\u6599\u7d50\u69cb\u3002\u672c\u6587\u4ecb\u7d39\u4e86\u5176\u57fa\u672c\u7528\u6cd5\u3001\u9ad8\u7d1a\u7528\u6cd5\u53ca\u5e38\u898b\u932f\u8aa4\u6392\u9664\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u638c\u63e1 Python \u5b57\u5178\u7684\u4f7f\u7528\u6280\u5de7\u3002<\/p>\n

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

**Q1: Python \u7684\u5b57\u5178\u53ef\u4ee5\u5132\u5b58\u54ea\u4e9b\u985e\u578b\u7684\u8cc7\u6599\uff1f**
\nA1: \u5b57\u5178\u7684\u9375\u53ef\u4ee5\u662f\u4efb\u4f55\u4e0d\u53ef\u8b8a\u7684\u8cc7\u6599\u985e\u578b\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u6578\u5b57\u548c\u5143\u7d44\uff0c\u800c\u503c\u5247\u53ef\u4ee5\u662f\u4efb\u4f55\u8cc7\u6599\u985e\u578b\uff0c\u5305\u62ec\u5217\u8868\u548c\u5176\u4ed6\u5b57\u5178\u3002<\/p>\n

**Q2: \u5982\u4f55\u6aa2\u67e5\u5b57\u5178\u4e2d\u662f\u5426\u5b58\u5728\u67d0\u500b\u9375\uff1f**
\nA2: \u60a8\u53ef\u4ee5\u4f7f\u7528 `in` \u95dc\u9375\u5b57\u4f86\u6aa2\u67e5\u5b57\u5178\u4e2d\u662f\u5426\u5b58\u5728\u67d0\u500b\u9375\uff0c\u4f8b\u5982\uff1a`if ‘a’ in my_dict:`\u3002<\/p>\n

**Q3: \u5b57\u5178\u7684\u9375\u53ef\u4ee5\u91cd\u8907\u55ce\uff1f**
\nA3: \u4e0d\u53ef\u4ee5\u3002\u5b57\u5178\u7684\u9375\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u5982\u679c\u63d2\u5165\u91cd\u8907\u7684\u9375\uff0c\u5f8c\u8005\u6703\u8986\u84cb\u524d\u8005\u7684\u503c\u3002<\/p>\n

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

\u5b78\u7fd2Python\u5b57\u5178(dict)\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Python\u5b57\u5178\u4f86\u5132\u5b58\u548c\u64cd\u4f5c\u8cc7\u6599\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b57\u5178\u4f86\u63d0\u9ad8\u7a0b\u5f0f\u7684\u6548\u7387\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-3174","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-Pc","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3174","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=3174"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3174\/revisions"}],"predecessor-version":[{"id":3175,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3174\/revisions\/3175"}],"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=3174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}