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]: [12, 3, 21, 9, 23, 16, 13, 28, 4, 44, 43, 35, 22, 7, 14, 29, 19, 48, 27, 6], target=48
[A]: [4, 44]


[Q]: [20, 34, 39, 26, 35, 12, 13, 27, 44, 38, 49, 32, 28, 42, 18, 25, 22, 2, 8, 37], target=84
[A]: [35, 49]


[Q]: [44, 48, 27, 36, 40, 13, 26, 12, 19, 45, 11, 31, 37, 9, 8, 10, 46, 24, 16, 43], target=71
[A]:
[44, 27]


