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: [307, 396, 130, 427, 133, 98, 211, 373, 108, 445, 372, 386, 278, 200, 483, 264, 101, 114, 84, 44]

[307, 396, 130, 427, 133, 98, 211, 373, 108, 445, 372, 386, 278, 200, 44, 264, 101, 114, 84, 483]