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.
Q: [420, 59, 180, 32, 111, 494, 38, 282, 435, 432, 147, 422, 414, 260, 51, 332, 343, 207, 362, 474]
A:
[420, 59, 180, 494, 111, 32, 38, 282, 435, 432, 147, 422, 414, 260, 51, 332, 343, 207, 362, 474]