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.

[Q]: [208, 423, 249, 120, 319, 473, 313, 294, 374, 495, 271, 497, 474, 379, 50, 270, 68, 26, 116, 260]
[A]: [208, 423, 249, 120, 319, 473, 313, 294, 374, 495, 271, 26, 474, 379, 50, 270, 68, 497, 116, 260]


[Q]: [384, 245, 493, 489, 397, 346, 336, 151, 166, 395, 179, 83, 351, 340, 421, 223, 14, 13, 160, 186]
[A]: [384, 245, 13, 489, 397, 346, 336, 151, 166, 395, 179, 83, 351, 340, 421, 223, 14, 493, 160, 186]


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