{"id":2924,"date":"2025-06-01T16:38:56","date_gmt":"2025-06-04T09:23:55","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2924"},"modified":"2025-06-04T16:38:56","modified_gmt":"2025-06-04T09:23:55","slug":"python%e4%b8%ad%e7%9a%84invert%e6%8c%89%e4%bd%8d%e5%8f%8d%e8%bd%ac%e9%81%8b%e7%ae%97%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/python%e4%b8%ad%e7%9a%84invert%e6%8c%89%e4%bd%8d%e5%8f%8d%e8%bd%ac%e9%81%8b%e7%ae%97%e7%ac%a6\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 invert() \u6309\u4f4d\u53cd\u8f6c\u904b\u7b97\u7b26\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 invert() \u6309\u4f4d\u53cd\u8f6c\u904b\u7b97\u7b26<\/h1>\n

\u5728 Python \u4e2d\uff0c\u6309\u4f4d\u53cd\u8f6c\u904b\u7b97\u7b26 `~` \u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5141\u8a31\u958b\u767c\u8005\u5c0d\u6574\u6578\u548c\u9577\u6574\u6578\u9032\u884c\u6309\u4f4d\u53cd\u8f6c\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u4ecb\u7d39 `invert()` \u7684\u57fa\u672c\u7528\u6cd5\u53ca\u5176\u5728\u5be6\u969b\u958b\u767c\u4e2d\u7684\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u548c\u932f\u8aa4\u6392\u9664\u7684\u5efa\u8b70\u3002<\/p>\n

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

\u5728 Python \u4e2d\uff0c`invert()` \u901a\u5e38\u8207\u6309\u4f4d\u53cd\u8f6c\u904b\u7b97\u7b26 `~` \u4e00\u8d77\u4f7f\u7528\u3002\u9019\u500b\u904b\u7b97\u7b26\u6703\u5c07\u6bcf\u4e00\u4f4d\u7684 0 \u8f49\u63db\u70ba 1\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u8209\u500b\u4f8b\u5b50\uff1a<\/p>\n

“`python
\nx = 0b1010
\ny = ~x
\nprint(bin(y))
\n# \u8f38\u51fa\uff1a-0b1011
\n“`<\/p>\n

\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u5c0d\u6574\u6578 `0b1010` \u9032\u884c\u6309\u4f4d\u53cd\u8f6c\u5f8c\uff0c\u5f97\u5230\u7684\u7d50\u679c\u662f `-0b1011`\u3002\u9019\u662f\u56e0\u70ba\u5728 Python \u4e2d\uff0c\u6574\u6578\u662f\u4ee5\u88dc\u78bc\u5f62\u5f0f\u5b58\u5132\u7684\u3002<\/p>\n

invert() \u7684\u61c9\u7528<\/h2>\n

`invert()` \u53ef\u4ee5\u7528\u65bc\u69cb\u5efa\u4f4d\u5143\u63a9\u78bc\uff0c\u9019\u5728\u8655\u7406\u4f4d\u5143\u64cd\u4f5c\u6642\u975e\u5e38\u5e38\u898b\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528 `invert()` \u4f86\u9032\u884c\u4f4d\u5143\u63a9\u78bc\u64cd\u4f5c\u7684\u793a\u4f8b\uff1a<\/p>\n

“`python
\nmask = 0b11110000
\ndesired = 0b10101010
\nresult = desired ^ ~mask
\nprint(bin(result))
\n# \u8f38\u51fa\uff1a0b10101010
\n“`<\/p>\n

\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u5c0d `desired` \u9032\u884c\u4e86\u6309\u4f4d\u53cd\u8f6c\uff0c\u7136\u5f8c\u8207 `mask` \u9032\u884c\u4e86\u6309\u4f4d\u7570\u6216\u904b\u7b97\uff0c\u6700\u7d42\u7372\u5f97\u4e86\u65b0\u7684\u4f4d\u5143\u7d44\u5408\u3002<\/p>\n

\u6027\u80fd\u8003\u91cf<\/h2>\n

`invert()` \u7684\u6027\u80fd\u4e3b\u8981\u53d6\u6c7a\u65bc\u8f38\u5165\u7684\u6578\u64da\u985e\u578b\u3002\u5c0d\u65bc\u6574\u6578\u548c\u9577\u6574\u6578\uff0c\u6027\u80fd\u8868\u73fe\u975e\u5e38\u512a\u7570\uff0c\u4f46\u5c0d\u65bc\u5b57\u7b26\u4e32\u7684\u64cd\u4f5c\uff0c\u5247\u53ef\u80fd\u6703\u76f8\u5c0d\u8f03\u6162\u3002\u5efa\u8b70\u5728\u9700\u8981\u983b\u7e41\u9032\u884c\u4f4d\u5143\u64cd\u4f5c\u7684\u5834\u666f\u4e2d\uff0c\u512a\u5148\u8003\u616e\u4f7f\u7528\u6574\u6578\u985e\u578b\u3002<\/p>\n

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

\u5728\u4f7f\u7528 `invert()` \u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e38\u898b\u932f\u8aa4\uff1a<\/p>\n

1. **\u6578\u64da\u985e\u578b\u932f\u8aa4**\uff1a\u78ba\u4fdd\u5728\u4f7f\u7528 `invert()` \u6642\uff0c\u64cd\u4f5c\u6578\u662f\u6574\u6578\u985e\u578b\u3002\u5982\u679c\u50b3\u5165\u5b57\u7b26\u4e32\u6216\u5176\u4ed6\u985e\u578b\uff0c\u6703\u5f15\u767c\u985e\u578b\u932f\u8aa4\u3002<\/p>\n

2. **\u4f4d\u5143\u904b\u7b97\u908f\u8f2f\u932f\u8aa4**\uff1a\u5728\u9032\u884c\u4f4d\u5143\u64cd\u4f5c\u6642\uff0c\u78ba\u4fdd\u7406\u89e3\u6309\u4f4d\u904b\u7b97\u7684\u908f\u8f2f\uff0c\u907f\u514d\u56e0\u70ba\u4e0d\u7576\u7684\u4f4d\u5143\u7d44\u5408\u800c\u5c0e\u81f4\u932f\u8aa4\u7684\u7d50\u679c\u3002<\/p>\n

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

\u9664\u4e86\u6309\u4f4d\u53cd\u8f6c\u5916\uff0c`invert()` \u9084\u53ef\u4ee5\u8207\u5176\u4ed6\u4f4d\u5143\u904b\u7b97\u7b26\u7d50\u5408\u4f7f\u7528\uff0c\u4f8b\u5982 `AND`\u3001`OR` \u548c `XOR`\u3002\u9019\u4f7f\u5f97\u5b83\u5728\u5716\u50cf\u8655\u7406\u3001\u6578\u64da\u52a0\u5bc6\u7b49\u61c9\u7528\u4e2d\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002\u5982\u679c\u60a8\u60f3\u6df1\u5165\u4e86\u89e3 Python \u7684\u66f4\u591a\u61c9\u7528\uff0c\u53ef\u4ee5\u53c3\u8003 [\u9019\u88e1\u7684\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc) \u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

`invert()` \u662f\u4e00\u500b\u5f37\u5927\u7684\u6309\u4f4d\u53cd\u8f6c\u904b\u7b97\u7b26\uff0c\u80fd\u5920\u5c0d\u91cd\u8f09\u985e\u7684\u6309\u4f4d\u53cd\u8f6c\u904b\u7b97\u7b26\u9032\u884c\u91cd\u8f09\uff0c\u4e26\u4e14\u5728\u8655\u7406\u6574\u6578\u548c\u9577\u6574\u6578\u6642\u8868\u73fe\u512a\u7570\u3002\u638c\u63e1\u5176\u7528\u6cd5\u548c\u6027\u80fd\u7279\u9ede\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u60a8\u7684\u7a0b\u5f0f\u8a2d\u8a08\u80fd\u529b\u3002<\/p>\n

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

**Q1: `invert()` \u53ef\u4ee5\u7528\u65bc\u54ea\u4e9b\u6578\u64da\u985e\u578b\uff1f**
\nA1: `invert()` \u4e3b\u8981\u9069\u7528\u65bc\u6574\u6578\u548c\u9577\u6574\u6578\uff0c\u5c0d\u65bc\u5b57\u7b26\u4e32\uff0c\u5b83\u7684\u6027\u80fd\u6703\u8f03\u5dee\u3002<\/p>\n

**Q2: \u6709\u54ea\u4e9b\u5be6\u969b\u61c9\u7528\u53ef\u4ee5\u4f7f\u7528 `invert()`\uff1f**
\nA2: `invert()` \u5e38\u7528\u65bc\u4f4d\u5143\u63a9\u78bc\u7684\u69cb\u5efa\u3001\u6578\u64da\u52a0\u5bc6\u3001\u5716\u50cf\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n

**Q3: \u5982\u679c\u9047\u5230 `invert()` \u7684\u985e\u578b\u932f\u8aa4\uff0c\u61c9\u8a72\u600e\u9ebc\u8fa6\uff1f**
\nA3: \u6aa2\u67e5\u50b3\u5165\u7684\u6578\u64da\u985e\u578b\uff0c\u78ba\u4fdd\u5b83\u662f\u6574\u6578\u985e\u578b\u3002\u5982\u679c\u662f\u5176\u4ed6\u985e\u578b\uff0c\u61c9\u9032\u884c\u8f49\u63db\u6216\u4f7f\u7528\u9069\u7576\u7684\u985e\u578b\u9032\u884c\u904b\u7b97\u3002<\/p>\n

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

invert()\u662fPython\u4e2d\u7528\u65bc\u91cd\u8f09\u985e\u7684\u6309\u4f4d\u53cd\u8f6c\u904b\u7b97\u7b26\uff0c\u5b83\u53ef\u4ee5\u5c07\u6578\u5b57\u7684\u6bcf\u4e00\u4f4d\u90fd\u53cd\u8f6c\uff0c\u4e26\u5c07\u5176\u8f49\u63db\u70ba\u65b0\u7684\u6578\u5b57\u3002\u5b83\u53ef\u4ee5\u7528\u65bc\u69cb\u5efa\u66f4\u9ad8\u7d1a\u7684\u7b97\u6cd5\uff0c\u4e26\u63d0\u4f9b\u66f4\u591a\u7684\u63a7\u5236\uff0c\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\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-2924","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-La","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2924","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=2924"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2924\/revisions"}],"predecessor-version":[{"id":13012,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2924\/revisions\/13012"}],"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=2924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}