Instructions: In this task, you are given a list of integers and an integer k. You need to find the kth largest element in the input list.
Input: [172, 135, 164, 185, 79, 94, 121, 52, 85, 245, 288, 75, 44, 36, 293, 198, 189, 116, 187, 47], k=8
Output:
172