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, 30, 8, 1, 12, 26, 35, 3, 37, 39, 38, 11, 14, 16, 6, 40, 25, 19, 42, 4], target=77
[A]: [39, 38]


[Q]: [12, 21, 30, 29, 45, 15, 36, 16, 13, 39, 37, 6, 31, 24, 17, 14, 33, 27, 8, 4], target=34
[A]: [21, 13]


[Q]: [7, 35, 6, 37, 17, 4, 45, 9, 39, 24, 41, 23, 31, 28, 3, 10, 27, 33, 32, 20], target=65
[A]:
[24, 41]