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.

[15, 100, 389, 471, 129, 112, 68, 70, 423, 81, 481, 334, 67, 80, 277, 93, 387, 391, 161, 434]
[481, 100, 389, 471, 129, 112, 68, 70, 423, 81, 15, 334, 67, 80, 277, 93, 387, 391, 161, 434]

[357, 470, 83, 330, 213, 156, 286, 409, 334, 160, 316, 375, 215, 232, 468, 358, 161, 418, 25, 458]
[357, 25, 83, 330, 213, 156, 286, 409, 334, 160, 316, 375, 215, 232, 468, 358, 161, 418, 470, 458]

[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]

