Detailed introduction to Python's built-in any function

English documentation:

any(iterable)

ReturnTrueifany element of theiterableis true. If the iterable is empty, returnFalse. Equivalent to:

def any(iterable): for element in iterable: if element: return True return False

Description:

1. Accept an iterable object as a parameter. When the parameter is empty or not an iterable object, an error is reported.

>>> any(2) #传入数值报错 Traceback (most recent call last): File "", line 1, in  any(2) TypeError: 'int' object is not iterable

2. If the logical value of one element in the iterable object is True, return True, and if all values are False, return False

>>> any([0,1,2]) #列表元素有一个为True，则返回True True >>> any([0,0]) #列表元素全部为False，则返回False False

3. If the iterable object is empty (The number of elements is 0), return False

>>> any([]) #空列表 False >>> any({}) #空字典 False >>>

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