TASK DEFINITION: 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.
PROBLEM: [272, 456, 486, 115, 337, 359, 195, 108, 216, 68, 421, 435, 83, 134, 348, 69, 99, 476, 427, 145]

SOLUTION: [272, 456, 68, 115, 337, 359, 195, 108, 216, 486, 421, 435, 83, 134, 348, 69, 99, 476, 427, 145]

PROBLEM: [25, 198, 30, 463, 163, 442, 215, 415, 443, 402, 275, 82, 111, 137, 63, 421, 102, 305, 118, 404]

SOLUTION: [463, 198, 30, 25, 163, 442, 215, 415, 443, 402, 275, 82, 111, 137, 63, 421, 102, 305, 118, 404]

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

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