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

Example input: [2,4,5,6,4,8,9,10], target=10
Example output: [2,8]
Example explanation: 2 and 8 are present in the list and sum to 10 which was the target sum
Q: [30, 31, 13, 10, 14, 2, 33, 39, 23, 46, 8, 17, 37, 12, 41, 7, 40, 49, 22, 42], target=47
A:
[14, 33]