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: [29, 18, 9, 39, 28, 42, 7, 1, 30, 22, 38, 47, 5, 2, 41, 11, 33, 12, 14, 4], target=99
Solution:
[]