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:
[134, 286, 251, 323, 396, 64, 294, 191, 75, 189, 386, 455, 30, 116, 287, 96, 420, 475, 382, 186]
answer:
[134, 286, 251, 323, 396, 64, 294, 191, 75, 189, 386, 455, 475, 116, 287, 96, 420, 30, 382, 186]


question:
[339, 229, 429, 239, 321, 334, 115, 36, 456, 269, 402, 483, 230, 453, 378, 262, 299, 227, 238, 268]
answer:
[339, 229, 429, 239, 321, 334, 115, 483, 456, 269, 402, 36, 230, 453, 378, 262, 299, 227, 238, 268]


question:
[115, 431, 65, 400, 54, 160, 43, 40, 372, 125, 495, 481, 180, 484, 35, 230, 466, 20, 375, 252]
answer:

[115, 431, 65, 400, 54, 160, 43, 40, 372, 125, 20, 481, 180, 484, 35, 230, 466, 495, 375, 252]