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.

[275, 398, 432, 305, 25, 124, 329, 12, 422, 466, 295, 96, 29, 365, 427, 389, 284, 397, 13, 99]
[275, 398, 432, 305, 25, 124, 329, 466, 422, 12, 295, 96, 29, 365, 427, 389, 284, 397, 13, 99]

[402, 206, 116, 203, 177, 470, 131, 168, 396, 66, 450, 225, 460, 314, 166, 426, 209, 467, 267, 389]
[402, 206, 116, 203, 177, 66, 131, 168, 396, 470, 450, 225, 460, 314, 166, 426, 209, 467, 267, 389]

[37, 209, 296, 193, 425, 406, 464, 350, 100, 204, 67, 357, 132, 99, 127, 183, 338, 444, 169, 358]

[464, 209, 296, 193, 425, 406, 37, 350, 100, 204, 67, 357, 132, 99, 127, 183, 338, 444, 169, 358]

