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: [221, 146, 127, 76, 276, 158, 142, 70, 188, 47, 177, 214, 273, 145, 116, 64, 245, 253, 217, 78], k=2
Output:
273