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, 32, 28, 15, 31, 43, 4, 11, 42, 13, 33, 27, 45, 23, 6, 41, 16, 48, 38, 5], target=38

SOLUTION: [25, 13]

PROBLEM: [33, 32, 13, 25, 2, 22, 41, 44, 47, 14, 31, 9, 27, 4, 18, 12, 15, 35, 46, 45], target=36

SOLUTION: [22, 14]

PROBLEM: [35, 6, 11, 14, 7, 30, 45, 15, 37, 20, 21, 43, 13, 27, 17, 38, 31, 29, 22, 4], target=37

SOLUTION:
[7, 30]