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]: [24, 39, 27, 26, 28, 12, 20, 36, 34, 35, 6, 1, 25, 42, 15, 33, 8, 2, 21, 4], target=80
[A]: []


[Q]: [42, 7, 8, 49, 34, 48, 36, 22, 21, 28, 23, 38, 47, 31, 27, 6, 4, 5, 1, 29], target=67
[A]: [36, 31]


[Q]: [12, 49, 8, 37, 46, 10, 34, 32, 28, 3, 36, 25, 48, 38, 33, 45, 4, 2, 21, 43], target=64
[A]:
[28, 36]