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
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Question: [6, 31, 38, 11, 30, 19, 12, 42, 5, 40, 26, 7, 44, 29, 24, 13, 10, 2, 35, 48], target=55

Answer: [11, 44]

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

Answer: [37, 44]

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

Answer:
[26, 25]