instruction:
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.
question:
[79, 333, 195, 449, 374, 267, 294, 64, 344, 237, 433, 385, 315, 185, 66, 473, 359, 265, 469, 120]
answer:
[79, 333, 195, 449, 374, 267, 294, 473, 344, 237, 433, 385, 315, 185, 66, 64, 359, 265, 469, 120]

question:
[145, 256, 227, 230, 158, 361, 400, 68, 148, 15, 86, 454, 450, 102, 154, 451, 205, 199, 376, 364]
answer:
[145, 256, 227, 230, 158, 361, 400, 68, 148, 454, 86, 15, 450, 102, 154, 451, 205, 199, 376, 364]

question:
[207, 186, 244, 399, 290, 356, 338, 387, 150, 91, 271, 360, 362, 454, 99, 367, 129, 278, 398, 48]
answer:
[207, 186, 244, 399, 290, 356, 338, 387, 150, 91, 271, 360, 362, 48, 99, 367, 129, 278, 398, 454]