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]: [47, 6, 11, 42, 37, 18, 29, 19, 25, 4, 10, 44, 23, 9, 5, 21, 30, 31, 1, 49], target=100
[A]: []


[Q]: [45, 30, 46, 35, 10, 36, 32, 33, 14, 48, 44, 15, 13, 41, 16, 23, 39, 17, 11, 9], target=74
[A]: [30, 44]


[Q]: [22, 47, 1, 4, 25, 36, 46, 20, 42, 29, 26, 38, 21, 6, 17, 33, 41, 35, 48, 18], target=55
[A]:
[29, 26]