instruction:
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
question:
[29, 10, 45, 19, 24, 21, 3, 25, 30, 11, 16, 44, 26, 17, 48, 31, 43, 12, 1, 34], target=41
answer:
[30, 11]


question:
[38, 29, 22, 9, 18, 35, 7, 42, 15, 48, 10, 11, 26, 46, 49, 45, 36, 24, 41, 40], target=11
answer:
[]


question:
[17, 27, 14, 43, 10, 5, 37, 16, 15, 38, 8, 13, 22, 34, 1, 48, 47, 2, 23, 3], target=86
answer:

[38, 48]