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: [60, 83, 17, 71, 59, 325, 38, 236, 206, 52, 25, 399, 177, 386, 180, 123, 466, 366, 444, 237]
Example Output: [60, 83, 466, 71, 59, 325, 38, 236, 206, 52, 25, 399, 177, 386, 180, 123, 17, 366, 444, 237]

Example Input: [327, 436, 340, 301, 485, 256, 28, 448, 492, 271, 276, 431, 130, 359, 91, 221, 319, 87, 157, 224]
Example Output: [327, 436, 340, 301, 485, 256, 492, 448, 28, 271, 276, 431, 130, 359, 91, 221, 319, 87, 157, 224]

Example Input: [125, 111, 199, 461, 13, 44, 324, 292, 51, 166, 14, 223, 228, 331, 334, 180, 304, 188, 267, 367]
Example Output:
[125, 111, 199, 13, 461, 44, 324, 292, 51, 166, 14, 223, 228, 331, 334, 180, 304, 188, 267, 367]