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.

[55, 165, 250, 197, 99, 65, 105, 290, 273, 289, 72, 253, 144, 53, 259, 70, 146, 48, 34, 85] k=6
[61, 171, 256, 203, 105, 71, 111, 296, 279, 295, 78, 259, 150, 59, 265, 76, 152, 54, 40, 91]