from pairSum import *
__author__ = 'Mohamed Fawzy'
arr = [2, 3, 4, 5, 6, 7, 8, 7]
print pair_sum(arr, 4)
print pair_sum(arr, 5)
print pair_sum(arr, 10)
print pair_sum(arr, 13)
print pair_sum(arr, 15)
print pair_sum(arr, 17)
