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.

Example Input: [72, 413, 263, 368, 213, 59, 15, 109, 330, 249, 419, 73, 267, 485, 499, 353, 210, 476, 118, 339]
Example Output: [72, 413, 263, 368, 213, 59, 499, 109, 330, 249, 419, 73, 267, 485, 15, 353, 210, 476, 118, 339]

Example Input: [320, 10, 227, 416, 142, 312, 60, 139, 293, 413, 376, 404, 407, 180, 379, 303, 286, 315, 26, 240]
Example Output: [320, 416, 227, 10, 142, 312, 60, 139, 293, 413, 376, 404, 407, 180, 379, 303, 286, 315, 26, 240]

Example Input: [360, 195, 110, 450, 104, 17, 156, 344, 274, 289, 100, 277, 245, 381, 248, 172, 73, 238, 253, 357]
Example Output:
[360, 195, 110, 17, 104, 450, 156, 344, 274, 289, 100, 277, 245, 381, 248, 172, 73, 238, 253, 357]

