Finding Pair Sums in a List

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Code introduction


This function takes a list of numbers and a target value, and returns a tuple of two numbers from the list that add up to the target value. If no such pair exists, it returns None.


Technology Stack : List (list), Dictionary (dict)

Code Type : Function

Code Difficulty : Intermediate


                
                    
def sum_pairs(numbers, target):
    seen = {}
    for number in numbers:
        complement = target - number
        if complement in seen:
            return (complement, number)
        seen[number] = True
    return None