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: [24, 29, 9, 12, 2, 18, 11, 7, 31, 6, 30, 14, 3, 41, 13, 33, 21, 47, 45, 4], target=22

A: [9, 13]
****
Q: [31, 44, 1, 45, 5, 24, 19, 42, 20, 8, 37, 15, 43, 11, 26, 49, 33, 6, 12, 17], target=15

A: []
****
Q: [31, 29, 8, 22, 7, 2, 48, 35, 12, 13, 16, 34, 17, 40, 1, 45, 43, 39, 20, 26], target=39

A:
[31, 8]
****