<\/p>\n
Python \u4e2d\u7684 `frozenset()` \u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u4e14\u6709\u7528\u7684\u5de5\u5177\uff0c\u7528\u4f86\u5efa\u7acb\u4e0d\u53ef\u8b8a\u7684\u96c6\u5408\uff08immutable set\uff09\u3002\u9019\u4f7f\u5f97 `frozenset` \u7279\u5225\u9069\u5408\u7528\u65bc\u9700\u8981\u4fdd\u6301\u96c6\u5408\u5143\u7d20\u4e0d\u8b8a\u7684\u60c5\u6cc1\uff0c\u4f8b\u5982\u5728\u5b57\u5178\u7684\u9375\u503c\u6216\u4f5c\u70ba\u5176\u4ed6\u96c6\u5408\u7684\u5143\u7d20\u6642\u3002<\/p>\n
## frozenset() \u51fd\u6578\u4ecb\u7d39<\/p>\n
`frozenset()` \u51fd\u6578\u53ef\u4ee5\u63a5\u53d7\u4e00\u500b\u53ef\u8fed\u4ee3\u7684\u7269\u4ef6\uff0c\u5982\u5217\u8868\u3001\u5b57\u5178\u6216\u5143\u7d44\uff0c\u4e26\u5c07\u5176\u8f49\u63db\u70ba\u4e0d\u53ef\u8b8a\u7684\u96c6\u5408\uff0c\u7136\u5f8c\u56de\u50b3\u4e00\u500b `frozenset` \u7269\u4ef6\u3002\u4f8b\u5982\uff1a<\/p>\n
“`python
\n# \u5efa\u7acb\u4e00\u500b\u5217\u8868
\nmy_list = [1, 2, 3, 4]\n
# \u5c07\u5217\u8868\u8f49\u63db\u70ba\u4e0d\u53ef\u8b8a\u7684\u96c6\u5408
\nfrozen_set = frozenset(my_list)<\/p>\n
# \u5370\u51fa\u4e0d\u53ef\u8b8a\u7684\u96c6\u5408
\nprint(frozen_set)
\n“`<\/p>\n
\u57f7\u884c\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\uff0c\u5c07\u6703\u5f97\u5230\u4ee5\u4e0b\u7d50\u679c\uff1a<\/p>\n
“`
\nfrozenset({1, 2, 3, 4})
\n“`<\/p>\n
\u53ef\u4ee5\u770b\u5230\uff0c`frozenset()` \u51fd\u6578\u6709\u6548\u5730\u5c07\u5217\u8868\u8f49\u63db\u70ba\u4e0d\u53ef\u8b8a\u7684\u96c6\u5408\u3002<\/p>\n
## frozenset() \u7684\u61c9\u7528<\/p>\n
### 1. \u5132\u5b58\u4e0d\u53ef\u8b8a\u7684\u8cc7\u6599<\/p>\n
`frozenset` \u975e\u5e38\u9069\u5408\u5132\u5b58\u4e0d\u9700\u8981\u4fee\u6539\u7684\u8cc7\u6599\u3002\u4f8b\u5982\uff1a<\/p>\n
“`python
\n# \u5efa\u7acb\u4e0d\u53ef\u8b8a\u7684\u96c6\u5408
\nimmutable_set = frozenset([‘apple’, ‘banana’, ‘cherry’])
\nprint(immutable_set)
\n“`<\/p>\n
### 2. \u4f5c\u70ba\u5b57\u5178\u7684\u9375<\/p>\n
\u7531\u65bc `frozenset` \u662f\u4e0d\u53ef\u8b8a\u7684\uff0c\u5b83\u53ef\u4ee5\u7528\u4f5c\u5b57\u5178\u7684\u9375\u3002\u9019\u5728\u9700\u8981\u4f7f\u7528\u8907\u96dc\u8cc7\u6599\u7d50\u69cb\u6642\u975e\u5e38\u6709\u7528\u3002<\/p>\n
“`python
\n# \u4f7f\u7528 frozenset \u4f5c\u70ba\u5b57\u5178\u7684\u9375
\nmy_dict = {
\n frozenset([1, 2, 3]): “\u6578\u5b57\u96c6\u5408”,
\n frozenset([‘a’, ‘b’]): “\u5b57\u6bcd\u96c6\u5408”
\n}
\nprint(my_dict)
\n“`<\/p>\n
### 3. \u96c6\u5408\u904b\u7b97<\/p>\n
`frozenset` \u4e5f\u53ef\u4ee5\u9032\u884c\u96c6\u5408\u904b\u7b97\uff0c\u5982\u806f\u96c6\uff08union\uff09\u3001\u4ea4\u96c6\uff08intersection\uff09\u548c\u5dee\u96c6\uff08difference\uff09\uff1a<\/p>\n
“`python
\nset_a = frozenset([1, 2, 3])
\nset_b = frozenset([3, 4, 5])<\/p>\n
# \u4ea4\u96c6
\nintersection = set_a.intersection(set_b)
\nprint(intersection) # frozenset({3})<\/p>\n
# \u806f\u96c6
\nunion = set_a.union(set_b)
\nprint(union) # frozenset({1, 2, 3, 4, 5})
\n“`<\/p>\n
## \u932f\u8aa4\u6392\u9664<\/p>\n
\u5728\u4f7f\u7528 `frozenset()` \u6642\uff0c\u82e5\u50b3\u5165\u7684\u53c3\u6578\u70ba\u4e0d\u53ef\u8fed\u4ee3\u7684\u7269\u4ef6\uff0c\u6703\u5f15\u767c `TypeError`\u3002\u4f8b\u5982\uff1a<\/p>\n
“`python
\n# \u932f\u8aa4\u7bc4\u4f8b
\ntry:
\n frozenset(123) # \u9019\u5c07\u5f15\u767c\u932f\u8aa4
\nexcept TypeError as e:
\n print(f”\u932f\u8aa4\uff1a{e}”)
\n“`<\/p>\n
\u78ba\u4fdd\u50b3\u5165\u7684\u53c3\u6578\u662f\u53ef\u8fed\u4ee3\u7684\uff0c\u4f8b\u5982\u5217\u8868\u3001\u5143\u7d44\u7b49\u3002<\/p>\n
## \u7e3d\u7d50<\/p>\n
Python \u4e2d\u7684 `frozenset()` \u51fd\u6578\u662f\u4e00\u500b\u91cd\u8981\u7684\u5de5\u5177\uff0c\u7528\u65bc\u5efa\u7acb\u4e0d\u53ef\u8b8a\u7684\u96c6\u5408\uff0c\u9069\u5408\u7528\u65bc\u9700\u8981\u4e0d\u8b8a\u6027\u7684\u60c5\u5883\u3002\u5b83\u7684\u61c9\u7528\u7bc4\u570d\u5ee3\u6cdb\uff0c\u5305\u62ec\u5132\u5b58\u4e0d\u53ef\u8b8a\u8cc7\u6599\u3001\u4f5c\u70ba\u5b57\u5178\u7684\u9375\u4ee5\u53ca\u57f7\u884c\u96c6\u5408\u904b\u7b97\u7b49\u3002\u5c0d\u65bc\u60f3\u6df1\u5165\u4e86\u89e3 Python \u96c6\u5408\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1 `frozenset()` \u51fd\u6578\u7121\u7591\u662f\u63d0\u5347\u7de8\u7a0b\u80fd\u529b\u7684\u91cd\u8981\u4e00\u6b65\u3002<\/p>\n
### \u53c3\u8003\u8cc7\u6e90
\n\u6b32\u4e86\u89e3\u66f4\u591a Python \u6559\u5b78\uff0c\u8acb\u53c3\u8003 [Python \u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc) \u6216 [Python \u9032\u968e\u61c9\u7528](https:\/\/miner.tw)\u3002<\/p>\n
## Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n
**Q1: frozenset \u548c set \u6709\u4ec0\u9ebc\u5340\u5225\uff1f**
\nA1: `frozenset` \u662f\u4e0d\u53ef\u8b8a\u7684\u96c6\u5408\uff0c\u800c `set` \u662f\u53ef\u8b8a\u7684\u96c6\u5408\u3002\u9019\u610f\u5473\u8457 `frozenset` \u7684\u5143\u7d20\u4e0d\u80fd\u88ab\u4fee\u6539\uff0c\u800c `set` \u7684\u5143\u7d20\u53ef\u4ee5\u96a8\u6642\u589e\u52a0\u6216\u522a\u9664\u3002<\/p>\n
**Q2: \u5982\u4f55\u5c07 frozenset \u8f49\u56de set\uff1f**
\nA2: \u53ef\u4ee5\u4f7f\u7528 `set()` \u51fd\u6578\u5c07 `frozenset` \u8f49\u63db\u56de\u53ef\u8b8a\u7684 `set`\uff0c\u4f8b\u5982\uff1a`mutable_set = set(frozen_set)`\u3002<\/p>\n
**Q3: frozenset \u53ef\u4ee5\u5132\u5b58\u54ea\u4e9b\u985e\u578b\u7684\u8cc7\u6599\uff1f**
\nA3: `frozenset` \u53ef\u4ee5\u5132\u5b58\u4efb\u4f55\u4e0d\u53ef\u8b8a\u7684\u8cc7\u6599\u985e\u578b\uff0c\u5982\u5b57\u4e32\u3001\u6578\u5b57\u548c\u5176\u4ed6 `frozenset` \u6216\u5143\u7d44\u7b49\u3002<\/p>\n
—<\/p>\n","protected":false},"excerpt":{"rendered":"
Frozenset()\u51fd\u6578\u662fPython\u4e2d\u7684\u4e00\u7a2e\u4e0d\u53ef\u8b8a\u96c6\u5408\uff0c\u5b83\u53ef\u4ee5\u7528\u65bc\u5b58\u5132\u4e0d\u53ef\u8b8a\u7684\u5143\u7d20\uff0c\u4e26\u63d0\u4f9b\u4e00\u7cfb\u5217\u64cd\u4f5c\u4f86\u64cd\u4f5c\u96c6\u5408\u3002\u672c\u6587\u5c07\u4ecb\u7d39Frozenset()\u51fd\u6578\u7684\u7528\u6cd5\uff0c\u4ee5\u53ca\u5b83\u8207\u5176\u4ed6\u96c6\u5408\u7684\u5340\u5225\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-3234","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-Qa","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3234","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=3234"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3234\/revisions"}],"predecessor-version":[{"id":12894,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3234\/revisions\/12894"}],"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=3234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}