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.

[EX Q]: [74, 53, 246, 327, 356, 92, 456, 452, 29, 209, 396, 463, 210, 324, 225, 89, 286, 122, 437, 118]
[EX A]: [74, 53, 246, 327, 356, 92, 456, 452, 463, 209, 396, 29, 210, 324, 225, 89, 286, 122, 437, 118]

[EX Q]: [142, 384, 19, 322, 397, 411, 65, 214, 114, 75, 52, 40, 122, 337, 350, 289, 42, 236, 91, 386]
[EX A]: [142, 384, 411, 322, 397, 19, 65, 214, 114, 75, 52, 40, 122, 337, 350, 289, 42, 236, 91, 386]

[EX Q]: [412, 382, 419, 44, 424, 49, 395, 14, 131, 181, 19, 323, 51, 494, 417, 124, 10, 206, 428, 387]
[EX A]:
[412, 382, 419, 44, 424, 49, 395, 14, 131, 181, 19, 323, 51, 10, 417, 124, 494, 206, 428, 387]