Writing higher order functions in Python

This article will show you how easy it is to write your own higher order functions including test cases

def any(iterable, predicate):
    """
    #returns True if predicate returns True for at least 1 item in iterable
    >>> any([1,3,5,8], lambda n: (n%2 == 0))
    True
    >>> any([1,3,5,8], lambda n: (n > 4))
    True
    >>> any([1,3,5,8], lambda n: (n < 1))
    False
    """
    for ele in iterable:
        if predicate(ele):
            return True
    return False

def none_of(iterable, predicate):
    #returns True if predicate returns False for all items
    """
    >>> none_of([1,3,5,7], lambda n: (n%2 == 0))
    True
    >>> none_of([1,3,5,8], lambda n: (n%2 == 0))
    False
    """
    for ele in iterable:
        if predicate(ele):
            return False
    return True

def _test():
    import doctest
    doctest.testmod()
 
if __name__ == "__main__":
    _test()