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: [2,4,5,6,4,8,9,10], target=10
Example solution: [2,8]
Example explanation: 2 and 8 are present in the list and sum to 10 which was the target sum

Problem: [44, 26, 23, 49, 1, 14, 45, 2, 27, 34, 20, 12, 16, 36, 3, 6, 21, 4, 35, 9], target=100

Solution: []