In this task, you are given a list of integers and an integer k. You need to find the kth smallest element in the input list and return that.

[Q]: [90, 107, 78, 117, 51, 37, 210, 186, 155, 81, 245, 214, 203, 190, 67, 149, 99, 116, 21, 89], k=18
[A]: 210


[Q]: [297, 154, 166, 65, 256, 282, 150, 241, 67, 255, 79, 232, 27, 192, 81, 298, 144, 155, 252, 111], k=11
[A]: 166


[Q]: [109, 49, 80, 107, 95, 258, 273, 265, 120, 233, 92, 199, 173, 230, 77, 214, 292, 155, 185, 232], k=2
[A]:
77


