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英文文档: class bool([x]) Return a Boolean value, i.e. one of True or False. x is converted using the standard truth testing procedure. If x is false or o 阅读全文
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英文文档: bin(x) Convert an integer number to a binary string. The result is a valid Python expression. If x is not a Python int object, it has to define 阅读全文
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英文文档: ascii(object) As repr(), return a string containing a printable representation of an object, but escape the non-ASCII characters in the string r 阅读全文
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英文文档: any(iterable) Return True if any element of the iterable is true. If the iterable is empty, return False. Equivalent to: 说明: 1. 接受一个可迭代器对象为参数,当参 阅读全文
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英文文档: all(iterable) Return True if all elements of the iterable are true (or if the iterable is empty). Equivalent to: 说明: 1. 接受一个可迭代器对象为参数,当参数为空或者不为可 阅读全文