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]: [30, 193, 300, 72, 114, 416, 41, 196, 45, 473, 181, 337, 258, 51, 128, 444, 466, 266, 310, 413]
[EX A]: [473, 193, 300, 72, 114, 416, 41, 196, 45, 30, 181, 337, 258, 51, 128, 444, 466, 266, 310, 413]

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

[EX Q]: [207, 186, 244, 399, 290, 356, 338, 387, 150, 91, 271, 360, 362, 454, 99, 367, 129, 278, 398, 48]
[EX A]:
[207, 186, 244, 399, 290, 356, 338, 387, 150, 91, 271, 360, 362, 48, 99, 367, 129, 278, 398, 454]