Python any() Usage and Examples

Python built-in functions

If any element of the iterable is True, the any() method will return True. If not, any() returns False.

The syntax of any() is:

any(iterable)

any() parameters

　The any() method in Python uses an iterable manner (list, string, dictionary, etc.).

Return value from any()

any() returns:

• True if at least one element of the iterable is true

• False if all elements are false or the iterable is empty

Example1How to use any() with Python lists?

l = [1,　3,　4, 0]
print(any(l))
l = [0, False]
print(any(l))
l = [0, False,　5]
print(any(l))
l = []
print(any(l))

When running the program, the output is:

True
False
True
False

any() method is used in a similar waytupleand similar to listsSet.

Example2How to use any() with Python strings?

s = "This is good"
print(any(s))
# 0 is False
# '0' is True
s = '000'
print(any(s))
s = ''
print(any(s))

When running the program, the output is:

True
True
False

Example3How to use any() with Python dictionaries?

For dictionaries, if all keys (non-values) are false, any() returns False. If at least one key is true, any() returns True.

d = {0: 'False'}
print(any(d))
d = {0: 'False',　1: 'True'}
print(any(d))
d = {0: 'False', False: 0}
print(any(d))
d = {}
print(any(d))
# 0 is False
# '0' is True
d = {'0': 'False'}
print(any(d))

When running the program, the output is:

False
True
False
False
True

Python built-in functions