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.

[175, 495, 288, 382, 334, 62, 268, 473, 452, 447, 232, 463, 163, 432, 465, 257, 145, 23, 110, 380]
[175, 23, 288, 382, 334, 62, 268, 473, 452, 447, 232, 463, 163, 432, 465, 257, 145, 495, 110, 380]