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 Input:
[424, 356, 298, 311, 433, 419, 23, 69, 27, 499, 108, 140, 190, 442, 196, 383, 445, 93, 20, 490]

Ex Output:
[424, 356, 298, 311, 433, 419, 23, 69, 27, 20, 108, 140, 190, 442, 196, 383, 445, 93, 499, 490]


Ex Input:
[114, 363, 306, 103, 146, 131, 217, 420, 350, 66, 195, 442, 313, 153, 235, 18, 127, 204, 247, 291]

Ex Output:
[114, 363, 306, 103, 146, 131, 217, 420, 350, 66, 195, 18, 313, 153, 235, 442, 127, 204, 247, 291]


Ex Input:
[103, 386, 52, 473, 420, 328, 316, 463, 427, 113, 384, 289, 204, 121, 100, 372, 25, 312, 34, 401]

Ex Output:

[103, 386, 52, 25, 420, 328, 316, 463, 427, 113, 384, 289, 204, 121, 100, 372, 473, 312, 34, 401]