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 Q]: [23, 37, 11, 40, 35, 30, 43, 15, 47, 10, 16, 41, 4, 32, 6, 38, 44, 26, 7, 49], target=66
[EX A]: [23, 43]

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

[EX Q]: [11, 14, 8, 40, 31, 17, 19, 26, 49, 34, 27, 15, 4, 7, 41, 38, 30, 42, 36, 23], target=96
[EX A]: