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: [15, 294, 79, 413, 414, 445, 53, 123, 18, 459, 248, 142, 395, 351, 191, 317, 455, 358, 187, 473]

SOLUTION: [473, 294, 79, 413, 414, 445, 53, 123, 18, 459, 248, 142, 395, 351, 191, 317, 455, 358, 187, 15]

PROBLEM: [382, 46, 60, 442, 155, 302, 345, 61, 277, 283, 393, 135, 452, 94, 322, 176, 64, 16, 121, 79]

SOLUTION: [382, 46, 60, 442, 155, 302, 345, 61, 277, 283, 393, 135, 16, 94, 322, 176, 64, 452, 121, 79]

PROBLEM: [60, 52, 317, 109, 108, 34, 368, 195, 398, 353, 283, 342, 155, 84, 292, 67, 237, 123, 119, 469]

SOLUTION:
[60, 52, 317, 109, 108, 469, 368, 195, 398, 353, 283, 342, 155, 84, 292, 67, 237, 123, 119, 34]