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:
[208, 423, 249, 120, 319, 473, 313, 294, 374, 495, 271, 497, 474, 379, 50, 270, 68, 26, 116, 260]

Ex Output:
[208, 423, 249, 120, 319, 473, 313, 294, 374, 495, 271, 26, 474, 379, 50, 270, 68, 497, 116, 260]


Ex Input:
[357, 470, 83, 330, 213, 156, 286, 409, 334, 160, 316, 375, 215, 232, 468, 358, 161, 418, 25, 458]

Ex Output:
[357, 25, 83, 330, 213, 156, 286, 409, 334, 160, 316, 375, 215, 232, 468, 358, 161, 418, 470, 458]


Ex Input:
[258, 62, 343, 490, 233, 496, 293, 255, 271, 334, 398, 184, 217, 305, 246, 416, 261, 118, 241, 260]

Ex Output:

[258, 496, 343, 490, 233, 62, 293, 255, 271, 334, 398, 184, 217, 305, 246, 416, 261, 118, 241, 260]