Given the task definition and input, reply with output. 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.

[176, 53, 364, 186, 192, 406, 144, 349, 275, 354, 397, 60, 161, 311, 369, 342, 170, 248, 252, 472]
[176, 472, 364, 186, 192, 406, 144, 349, 275, 354, 397, 60, 161, 311, 369, 342, 170, 248, 252, 53]