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

[EX Q]: [176, 172, 188, 385, 356, 24, 104, 497, 330, 222, 270, 266, 427, 182, 492, 224, 249, 470, 58, 391]
[EX A]: [176, 172, 188, 385, 356, 497, 104, 24, 330, 222, 270, 266, 427, 182, 492, 224, 249, 470, 58, 391]

[EX Q]: [117, 339, 458, 196, 352, 486, 260, 72, 55, 238, 395, 455, 33, 118, 142, 408, 348, 70, 379, 233]
[EX A]:
[117, 339, 458, 196, 352, 33, 260, 72, 55, 238, 395, 455, 486, 118, 142, 408, 348, 70, 379, 233]

