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Python Any Iterable |
any()
is a built-in function in Python 3 (and Python 2 since version 2.5), to check if any of the items of an iterable is True
. It takes one argument, iterable
. This table below is helpful in understanding all
and any
iterable.
Argument
iterable
The iterable
argument is the collection whose entries are to be checked. It can typically be a list
, str
, dict
, tuple
etc., even a file object
.
Return Value
The return value is a Boolean. It returns 'False' if and only if all entries of iterable are False
, or the iterable
is empty. This function essentially performs a Boolean OR
operation over all elements.
If even one of them is True
, it returns True
.
The any()
operation is equivalent to (internally, may not be implemented exactly like this)
def any(iterable):
for element in iterable:
if element:
return True
return False
It stops the execution as soon as the result is known.
Code Sample
print(any([])) #=> False
print(any({})) #=> False
print(any([None])) #=> False
print(any(['', {}, 0])) #=> False
print(any([6, 7])) #=> True
print(any([6, 7, None])) #=> True
print(any([0, 6, 7])) #=> True
print(any([9, 8, [1, 2]])) #=> True
print(any([None, []])) #=> False
print(any([9, False, [1, 2]])) #=> True
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