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.

Input: Consider Input: [464, 105, 267, 441, 38, 294, 359, 117, 236, 133, 81, 190, 465, 456, 485, 167, 474, 468, 458, 447]

Output: [464, 105, 267, 441, 485, 294, 359, 117, 236, 133, 81, 190, 465, 456, 38, 167, 474, 468, 458, 447]

Input: Consider Input: [23, 333, 423, 428, 337, 134, 388, 129, 293, 364, 92, 246, 275, 481, 361, 393, 375, 208, 279, 127]

Output: [481, 333, 423, 428, 337, 134, 388, 129, 293, 364, 92, 246, 275, 23, 361, 393, 375, 208, 279, 127]

Input: Consider Input: [175, 226, 366, 453, 182, 275, 23, 361, 118, 387, 90, 312, 310, 227, 404, 230, 337, 111, 66, 420]
Output: [175, 226, 366, 23, 182, 275, 453, 361, 118, 387, 90, 312, 310, 227, 404, 230, 337, 111, 66, 420]