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: [24, 2, 38, 12, 34, 18, 17, 36, 21, 7, 47, 13, 19, 22, 25, 9, 11, 41, 14, 43], target=85
Solution:
[38, 47]