Teacher: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.
Teacher: Now, understand the problem? Solve this instance: [137, 90, 208, 53, 235, 288, 134, 195, 234, 31, 215, 258, 192, 296, 20, 135, 106, 166, 243, 253], k=3
Student:
53