TASK DEFINITION: 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
PROBLEM: [10, 44, 42, 29, 17, 19, 39, 38, 35, 6, 11, 14, 40, 41, 47, 12, 22, 2, 15, 34], target=20

SOLUTION: [6, 14]

PROBLEM: [16, 42, 44, 30, 20, 19, 12, 48, 21, 34, 5, 4, 46, 49, 25, 8, 9, 35, 28, 17], target=90

SOLUTION: [42, 48]

PROBLEM: [36, 29, 33, 10, 37, 49, 25, 17, 2, 11, 4, 23, 43, 15, 8, 12, 16, 14, 28, 44], target=81

SOLUTION:
[37, 44]

