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

Ex Input:
[9, 33, 7, 8, 2, 1, 10, 26, 15, 23, 22, 43, 36, 29, 42, 19, 37, 47, 13, 49], target=77

Ex Output:
[]


Ex Input:
[39, 23, 7, 28, 26, 41, 45, 31, 19, 22, 43, 14, 48, 44, 18, 5, 8, 40, 12, 37], target=78

Ex Output:
[41, 37]


Ex Input:
[15, 7, 36, 31, 5, 8, 21, 34, 23, 41, 30, 28, 49, 18, 40, 16, 24, 48, 19, 6], target=70

Ex Output:

[36, 34]


