In this task, you are given a list of unique integers you need to swap the positions of maximum and minimum element in the list and return the updated list.

[60, 52, 317, 109, 108, 34, 368, 195, 398, 353, 283, 342, 155, 84, 292, 67, 237, 123, 119, 469]
[60, 52, 317, 109, 108, 469, 368, 195, 398, 353, 283, 342, 155, 84, 292, 67, 237, 123, 119, 34]