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: [25, 1, 39, 40, 29, 49, 22, 43, 42, 38, 48, 2, 46, 15, 16, 12, 34, 3, 27, 30], target=55

SOLUTION: [40, 15]

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

SOLUTION: []

PROBLEM: [38, 44, 2, 35, 26, 12, 21, 41, 46, 24, 25, 33, 17, 29, 1, 13, 6, 32, 23, 20], target=51

SOLUTION:
[26, 25]

