Definition: You are given a list of integers and an integer target, return a list of a pair of numbers in any order such that they add up to target. If there is no such pair of numbers, then return an empty list
Input: [9, 29, 39, 26, 8, 31, 34, 35, 46, 48, 7, 23, 1, 3, 10, 19, 44, 2, 6, 43], target=100

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