<\/p>\n
\u5728 Python \u4e2d\uff0c`bool()` \u51fd\u6578\u662f\u4e00\u500b\u5167\u5efa\u51fd\u6578\uff0c\u4e3b\u8981\u7528\u9014\u662f\u5c07\u4efb\u4f55\u7269\u4ef6\u8f49\u63db\u70ba\u5e03\u6797\u503c\uff08`True` \u6216 `False`\uff09\u3002\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0c\u9019\u500b\u51fd\u6578\u53ef\u7528\u65bc\u5224\u65b7\u4e00\u500b\u7269\u4ef6\u662f\u5426\u70ba\u771f\uff0c\u6216\u662f\u7528\u4f86\u9032\u884c\u689d\u4ef6\u5224\u65b7\u3002<\/p>\n
### `bool()` \u51fd\u6578\u7684\u57fa\u672c\u7528\u6cd5<\/p>\n
`bool()` \u51fd\u6578\u53ef\u4ee5\u63a5\u53d7\u4efb\u4f55\u985e\u578b\u7684\u7269\u4ef6\u4f5c\u70ba\u53c3\u6578\u3002\u6839\u64da Python \u7684\u898f\u5247\uff0c\u4ee5\u4e0b\u60c5\u6cc1\u5c07\u8fd4\u56de `False`\uff1a
\n– \u6574\u6578 `0`
\n– \u7a7a\u5b57\u4e32 `””`
\n– \u7a7a\u5217\u8868 `[]`
\n– \u7a7a\u5b57\u5178 `{}`
\n– \u7a7a\u96c6\u5408 `set()`
\n– `None`<\/p>\n
\u5728\u5176\u4ed6\u60c5\u6cc1\u4e0b\uff0c\u5247\u8fd4\u56de `True`\u3002<\/p>\n
### `bool()` \u51fd\u6578\u7684\u7bc4\u4f8b<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u7bc4\uff0c\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3 `bool()` \u51fd\u6578\u7684\u7528\u6cd5\uff1a<\/p>\n
“`python
\n# \u5c07\u6574\u65780\u8f49\u63db\u70ba\u5e03\u6797\u503c
\nx = 0
\nprint(bool(x)) # \u8f38\u51fa: False<\/p>\n
# \u5c07\u7a7a\u5b57\u4e32\u8f49\u63db\u70ba\u5e03\u6797\u503c
\ny = “”
\nprint(bool(y)) # \u8f38\u51fa: False<\/p>\n
# \u5c07\u975e\u7a7a\u5b57\u4e32\u8f49\u63db\u70ba\u5e03\u6797\u503c
\nz = “Hello”
\nprint(bool(z)) # \u8f38\u51fa: True<\/p>\n
# \u5c07\u5217\u8868\u8f49\u63db\u70ba\u5e03\u6797\u503c
\na = []\nprint(bool(a)) # \u8f38\u51fa: False<\/p>\n
# \u5c07\u975e\u7a7a\u5217\u8868\u8f49\u63db\u70ba\u5e03\u6797\u503c
\nb = [1, 2, 3]\nprint(bool(b)) # \u8f38\u51fa: True<\/p>\n
# \u5c07None\u8f49\u63db\u70ba\u5e03\u6797\u503c
\nc = None
\nprint(bool(c)) # \u8f38\u51fa: False
\n“`<\/p>\n
\u5f9e\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230 `bool()` \u51fd\u6578\u6709\u6548\u5730\u5c07\u4e0d\u540c\u985e\u578b\u7684\u7269\u4ef6\u8f49\u63db\u70ba\u5e03\u6797\u503c\u3002<\/p>\n
### `bool()` \u51fd\u6578\u7684\u61c9\u7528<\/p>\n
`bool()` \u51fd\u6578\u5e38\u7528\u65bc\u689d\u4ef6\u5224\u65b7\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u7bc4\uff1a<\/p>\n
“`python
\n# \u5b9a\u7fa9\u4e00\u500b\u51fd\u6578\uff0c\u5224\u65b7\u4e00\u500b\u6578\u5b57\u662f\u5426\u70ba\u5076\u6578
\ndef is_even(num):
\n return bool(num % 2 == 0)<\/p>\n
# \u5c07\u6578\u5b577\u50b3\u5165\u51fd\u6578
\nprint(is_even(7)) # \u8f38\u51fa: False
\nprint(is_even(8)) # \u8f38\u51fa: True
\n“`<\/p>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u51fd\u6578 `is_even()`\uff0c\u7528\u4f86\u5224\u65b7\u4e00\u500b\u6578\u5b57\u662f\u5426\u70ba\u5076\u6578\u3002\u901a\u904e `bool()` \u51fd\u6578\uff0c\u6211\u5011\u80fd\u5920\u6709\u6548\u5730\u9032\u884c\u689d\u4ef6\u5224\u65b7\u4e26\u8fd4\u56de\u7d50\u679c\u3002<\/p>\n
### \u932f\u8aa4\u6392\u9664<\/p>\n
\u5728\u4f7f\u7528 `bool()` \u51fd\u6578\u6642\uff0c\u5e38\u898b\u7684\u932f\u8aa4\u5305\u62ec\uff1a
\n1. \u5fd8\u8a18\u8f49\u63db\u8cc7\u6599\u985e\u578b\uff0c\u4f8b\u5982\u5728\u689d\u4ef6\u5224\u65b7\u4e2d\u76f4\u63a5\u4f7f\u7528\u975e\u5e03\u6797\u503c\u3002
\n2. \u5c0d\u65bc\u8907\u96dc\u8cc7\u6599\u7d50\u69cb\uff08\u5982\u5b57\u5178\u6216\u5217\u8868\uff09\u9032\u884c\u5e03\u6797\u8f49\u63db\u6642\uff0c\u9700\u6ce8\u610f\u662f\u5426\u70ba\u7a7a\u3002<\/p>\n
### \u5ef6\u4f38\u61c9\u7528<\/p>\n
`bool()` \u51fd\u6578\u4e0d\u50c5\u53ef\u4ee5\u7528\u65bc\u57fa\u672c\u7684\u689d\u4ef6\u5224\u65b7\uff0c\u9084\u53ef\u4ee5\u5728\u66f4\u8907\u96dc\u7684\u908f\u8f2f\u4e2d\u767c\u63ee\u4f5c\u7528\uff0c\u4f8b\u5982\u5728\u5217\u8868\u63a8\u5c0e\u5f0f\u3001\u904e\u6ffe\u5668\u7b49\u4e2d\u61c9\u7528\u3002<\/p>\n
\u6709\u95dc Python \u7684\u66f4\u591a\u6df1\u5165\u6559\u5b78\uff0c\u6b61\u8fce\u53c3\u8003 [\u9019\u88e1\u7684\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc\/article\/YourLinkHere)\u3002<\/p>\n
### \u7e3d\u7d50<\/p>\n
`bool()` \u51fd\u6578\u662f Python \u4e2d\u7684\u4e00\u500b\u91cd\u8981\u5167\u5efa\u51fd\u6578\uff0c\u5c07\u7269\u4ef6\u8f49\u63db\u70ba\u5e03\u6797\u503c\u3002\u6b63\u78ba\u4f7f\u7528 `bool()` \u51fd\u6578\uff0c\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u5728\u7de8\u5beb\u7a0b\u5f0f\u6642\u9032\u884c\u6709\u6548\u7684\u689d\u4ef6\u5224\u65b7\uff0c\u9032\u800c\u63d0\u9ad8\u7a0b\u5f0f\u7684\u53ef\u8b80\u6027\u548c\u6548\u7387\u3002<\/p>\n
### Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n
**Q1: `bool()` \u51fd\u6578\u70ba\u4ec0\u9ebc\u6703\u8fd4\u56de `False`\uff1f**
\nA1: `bool()` \u51fd\u6578\u6703\u5728\u7269\u4ef6\u70ba\u7a7a\u6216\u70ba\u96f6\u6642\u8fd4\u56de `False`\uff0c\u9019\u662f\u6839\u64da Python \u7684\u771f\u503c\u6e2c\u8a66\u898f\u5247\u3002<\/p>\n
**Q2: \u5982\u4f55\u5728\u689d\u4ef6\u4e2d\u4f7f\u7528 `bool()` \u51fd\u6578\uff1f**
\nA2: \u4f60\u53ef\u4ee5\u5c07 `bool()` \u51fd\u6578\u653e\u5728\u4efb\u4f55\u689d\u4ef6\u8a9e\u53e5\u4e2d\uff0c\u4f8b\u5982 `if` \u8a9e\u53e5\uff0c\u4f86\u6aa2\u67e5\u689d\u4ef6\u7684\u771f\u507d\u3002<\/p>\n
**Q3: \u662f\u5426\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u6aa2\u67e5\u7269\u4ef6\u7684\u771f\u503c\uff1f**
\nA3: \u9664\u4e86\u4f7f\u7528 `bool()` \u51fd\u6578\uff0cPython \u9084\u63d0\u4f9b\u4e86\u5176\u4ed6\u5167\u5efa\u51fd\u6578\u548c\u904b\u7b97\u7b26\uff0c\u4f8b\u5982 `if` \u8a9e\u53e5\u672c\u8eab\u5c31\u53ef\u4ee5\u76f4\u63a5\u9032\u884c\u771f\u503c\u6e2c\u8a66\u800c\u7121\u9700\u986f\u5f0f\u8abf\u7528 `bool()` \u51fd\u6578\u3002<\/p>\n
—<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3Python\u4e2d\u7684bool()\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u5c07\u4efb\u4f55\u503c\u8f49\u63db\u70ba\u5e03\u6797\u503c\uff0c\u4e26\u63d0\u4f9b\u6709\u95dc\u8a72\u503c\u7684\u6709\u7528\u4fe1\u606f\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39bool()\u51fd\u6578\u7684\u7528\u6cd5\uff0c\u4ee5\u53ca\u5b83\u5982\u4f55\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684Python\u7a0b\u5e8f\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-3398","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-SO","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3398","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=3398"}],"version-history":[{"count":3,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3398\/revisions"}],"predecessor-version":[{"id":12842,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3398\/revisions\/12842"}],"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=3398"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3398"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}