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.

Example input: [1,45,67,43,58,98,41,34,57]
Example output: [98,45,67,43,58,1,41,34,57]
Example explanation: 1 is the minimum element and 98 is the maximum element and their positions are swapped in the resulting list.
Q: [265, 475, 341, 442, 418, 161, 53, 69, 485, 331, 436, 450, 144, 455, 98, 488, 333, 273, 221, 51]
A:
[265, 475, 341, 442, 418, 161, 53, 69, 485, 331, 436, 450, 144, 455, 98, 51, 333, 273, 221, 488]