Detailed Instructions: 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
See one example below:
Problem: [2,4,5,6,4,8,9,10], target=10
Solution: [2,8]
Explanation: 2 and 8 are present in the list and sum to 10 which was the target sum

Problem: [26, 31, 10, 36, 29, 17, 23, 30, 20, 40, 5, 32, 44, 1, 43, 19, 28, 9, 7, 38], target=38
Solution:
[10, 28]