Definition: In this task, you are given a list of integers and an integer k. You need to add integer k to each element in the list and return the updated list.
Input: [189, 221, 49, 282, 37, 212, 158, 157, 249, 206, 218, 57, 45, 275, 113, 148, 149, 280, 116, 137] k=20

[209, 241, 69, 302, 57, 232, 178, 177, 269, 226, 238, 77, 65, 295, 133, 168, 169, 300, 136, 157]