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]: [11, 30, 12, 43, 28, 31, 17, 13, 46, 7, 34, 39, 2, 32, 27, 19, 22, 38, 14, 49], target=47
[A]: [30, 17]


[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]: [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]