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: [37, 42, 23, 8, 35, 31, 24, 21, 22, 26, 18, 49, 4, 13, 32, 47, 2, 10, 12, 11], target=98
Solution:
[]