Definition: 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: [486, 158, 150, 357, 48, 239, 117, 35, 294, 107, 427, 359, 360, 36, 121, 95, 247, 100, 314, 92]

[35, 158, 150, 357, 48, 239, 117, 486, 294, 107, 427, 359, 360, 36, 121, 95, 247, 100, 314, 92]