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]: [257, 27, 91, 252, 48, 104, 115, 61, 238, 245, 283, 187, 234, 96, 223, 159, 284, 174, 224, 26], k=5
[A]: 91


[Q]: [33, 54, 96, 31, 26, 52, 86, 72, 203, 138, 258, 62, 262, 42, 222, 78, 45, 38, 80, 170], k=10
[A]: 72


[Q]: [124, 215, 224, 251, 261, 118, 255, 52, 77, 67, 36, 20, 167, 46, 97, 269, 198, 136, 291, 135], k=20
[A]:
291