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

[36, 18, 12, 48, 39, 30, 19, 1, 34, 21, 17, 49, 44, 37, 47, 6, 26, 2, 28, 23], target=29
[12, 17]

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

[10, 6, 3, 21, 4, 13, 2, 16, 41, 17, 26, 39, 37, 31, 29, 18, 15, 9, 45, 47], target=87