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]: [19, 15, 45, 13, 36, 31, 34, 14, 8, 6, 35, 9, 38, 5, 18, 21, 3, 28, 4, 32], target=87
[A]: []


[Q]: [15, 34, 45, 27, 36, 24, 31, 48, 3, 9, 42, 2, 16, 8, 30, 49, 14, 6, 26, 39], target=38
[A]: [36, 2]


[Q]: [9, 47, 4, 13, 43, 25, 27, 21, 40, 1, 31, 39, 29, 15, 11, 35, 23, 12, 26, 33], target=68
[A]:
[43, 25]