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]: [371, 401, 57, 175, 193, 59, 392, 179, 313, 25, 280, 369, 173, 345, 464, 247, 132, 121, 13, 208]
[A]: [371, 401, 57, 175, 193, 59, 392, 179, 313, 25, 280, 369, 173, 345, 13, 247, 132, 121, 464, 208]

[Q]: [329, 163, 460, 187, 365, 470, 317, 350, 354, 431, 378, 271, 223, 294, 48, 118, 450, 151, 337, 284]
[A]: [329, 163, 460, 187, 365, 48, 317, 350, 354, 431, 378, 271, 223, 294, 470, 118, 450, 151, 337, 284]

[Q]: [187, 400, 482, 294, 130, 167, 161, 292, 268, 153, 275, 494, 261, 475, 127, 10, 105, 310, 287, 354]
[A]:
[187, 400, 482, 294, 130, 167, 161, 292, 268, 153, 275, 10, 261, 475, 127, 494, 105, 310, 287, 354]