You will be given a definition of a task first, then some input of the task.
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.

[383, 310, 136, 63, 432, 287, 124, 203, 359, 221, 423, 493, 265, 363, 146, 76, 210, 48, 32, 119]
Output:
[383, 310, 136, 63, 432, 287, 124, 203, 359, 221, 423, 32, 265, 363, 146, 76, 210, 48, 493, 119]