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Python中True和False的含义.md

 4 years ago
source link: https://wetts.github.io/2019/11/20/%E8%AF%AD%E8%A8%80/Python/%E5%85%B6%E4%BB%96/Python%E4%B8%ADTrue%E5%92%8CFalse%E7%9A%84%E5%90%AB%E4%B9%89/
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Python中True和False的含义.md

2019-11-20Python

在 Python 中，整数 0 代表假，整数 1 代表真。不过，除此之外，Python 也把任何空数据结构视为假，把任何非空数据结构视为真。更一般地，真和假的概念是 Python 中每个对象的固有属性：每个对象非真即假。

  • 数字如果等于零则为假，反之则为真。
  • 其他对象如果为空则为假，反之则为真。
  • 空字符串、空列表、空字典都为假。
  • None 为假。

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