Python 3 reference · Built-in Functions

Python any() Function

Return True if at least one item in an iterable is truthy. Returns False for an empty iterable and stops at the first truthy item.

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Syntax

any(iterable)

Parameter	Description
`iterable`	Any iterable.

True if any item is truthy, otherwise False.

Basic useTry it yourself

print(any([0, "", None, 5]))
print(any([0, "", None]))
print(any([]))

Output

True
False
False

Is there at least one match?Try it yourself

words = ["apple", "banana", "kiwi"]
print(any(len(w) > 5 for w in words))
print(any(w.startswith("z") for w in words))

Output

True
False

Look for any banned wordTry it yourself

banned = {"spam", "scam"}
message = "this is not a scam, promise"
print(any(word in banned for word in message.replace(",", "").split()))

Output

True

any() is the opposite check of all(): "at least one" instead of "every".
It short-circuits: with a generator it stops reading as soon as it finds a truthy item.

Version	Change
Python 3.0	Added

all() · Return True if every item in an iterable is truthy, or if the iterable is empty. Stops at the first falsy item.
filter() · Keep only the items of an iterable for which a function returns True. Returns a lazy iterator, not a list.
bool() · Convert a value to True or False using Python's truth rules: zero, empty and None are False, everything else is True.
Python Booleans · tutorial

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