Skip to content


Test if every list element is falsy

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

def none(lst, fn = lambda x: x):
  return all(not fn(x) for x in lst)

none([0, 1, 2, 0], lambda x: x >= 2 ) # False
none([0, 0, 0]) # True

More like this

Start typing a keyphrase to see matching snippets.