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: [480, 194, 225, 247, 223, 287, 237, 418, 83, 73, 170, 91, 118, 325, 211, 62, 440, 191, 384, 442]

[62, 194, 225, 247, 223, 287, 237, 418, 83, 73, 170, 91, 118, 325, 211, 480, 440, 191, 384, 442]