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#!/usr/bin/env python3
def max_positive_negative(*elements):
'''
Given an array of integers, return the maximum number of either positive or
negative integers in the given array.
>>> max_positive_negative(-3, 1, 2, -1, 3, -2, 4)
4
>>> max_positive_negative(-1, -2, -3, 1)
3
>>> max_positive_negative(1,2)
2
'''
if not all(isinstance(elem, int) for elem in elements):
raise TypeError("Arguments must be integers")
positive = sum(1 for elem in elements if elem >= 0)
negative = len(elements) - positive
return max(positive, negative)
if __name__ == "__main__":
import doctest
doctest.testmod()
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