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

[Q]: [17, 18, 21, 9, 32, 11, 16, 2, 15, 43, 42, 28, 7, 35, 49, 38, 19, 14, 46, 3], target=60
[A]: [17, 43]

[Q]: [38, 3, 32, 12, 26, 31, 28, 34, 8, 25, 17, 44, 35, 46, 23, 4, 14, 9, 36, 43], target=64
[A]: [38, 26]

[Q]: [38, 40, 43, 11, 37, 42, 33, 2, 14, 36, 49, 26, 7, 19, 32, 45, 10, 39, 29, 20], target=90
[A]: