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.

[206, 43, 17, 210, 32, 18, 105, 272, 95, 179, 151, 219, 185, 257, 159, 12, 46, 186, 195, 133] k=20
[226, 63, 37, 230, 52, 38, 125, 292, 115, 199, 171, 239, 205, 277, 179, 32, 66, 206, 215, 153]