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: [39, 25, 38, 1, 7, 18, 47, 17, 49, 13, 5, 3, 8, 31, 16, 29, 43, 14, 36, 30], target=33

Answer: [25, 8]


Question: [21, 7, 19, 49, 46, 37, 29, 9, 10, 31, 24, 4, 22, 3, 14, 12, 36, 17, 26, 44], target=50

Answer: [21, 29]


Question: [20, 21, 23, 47, 16, 6, 40, 45, 44, 17, 9, 33, 25, 39, 35, 27, 34, 13, 37, 10], target=30

Answer:
[21, 9]