gistfile1.txt

def split_numbers(numbers):
    split_size = int(len(numbers) / 2)
    list_a = numbers[:split_size]
    list_b = numbers[split_size:]
    return list_a, list_b
    
    
def find_matching_sum(match, numbers):
    list_a, list_b = split_numbers(numbers)
    for x in list_a:
        for y in list_b:
            t = sum([x, y])
            if t == match:
                return x, y
                
                
if __name__  == '__main__':
    match = 17
    numbers = [10, 15, 3, 7]
    x, y = find_matching_sum(match, numbers)
    if x and y:
        print('Match Found: ', x ,',', y, ' equal ', match)