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.

[95, 54, 28, 85, 217, 79, 266, 114, 211, 178, 119, 129, 204, 206, 104, 281, 239, 151, 246, 226] k=20
[115, 74, 48, 105, 237, 99, 286, 134, 231, 198, 139, 149, 224, 226, 124, 301, 259, 171, 266, 246]