find_sum_pairs.py

"""
Examples:
Input: {5, 20, 3, 2, 50, 80}, n = 78
Output: Pair Found: (2, 80)

Input: {90, 70, 20, 80, 50}, n = 45
Output: No Such Pair
"""

def find_diff(arr, n):
    for i in arr:
        if (i + n) in arr:
            return (i, i + n)
    return "No Such Pair"
    
arr = {5, 20, 3, 2, 50, 80}
n = 78
find_diff(arr, n)

arr = {90, 70, 20, 80, 50}
n = 45
find_diff(arr, n)