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.

[35, 84, 116, 131, 118, 256, 250, 220, 277, 257, 262, 29, 33, 108, 215, 260, 67, 166, 134, 53] k=3
[38, 87, 119, 134, 121, 259, 253, 223, 280, 260, 265, 32, 36, 111, 218, 263, 70, 169, 137, 56]