30-seconds-of-code/snippets/python/s/some.md

title, type, language, tags, cover, dateModified

title	type	language	tags	cover	dateModified
Test if some list elements are truthy	snippet	python	list	leafy-screens	2020-11-02T19:28:35+02:00

Checks if the provided function returns True for at least one element in the list.

• Use any() in combination with map() to check if fn returns True for any element in the list.

def some(lst, fn = lambda x: x):
  return any(map(fn, lst))

some([0, 1, 2, 0], lambda x: x >= 2 ) # True
some([0, 0, 1, 0]) # True