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.
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Question: [328, 399, 81, 127, 466, 77, 360, 489, 346, 413, 406, 359, 431, 197, 26, 451, 120, 237, 443, 427]

Answer: [328, 399, 81, 127, 466, 77, 360, 26, 346, 413, 406, 359, 431, 197, 489, 451, 120, 237, 443, 427]

Question: [175, 495, 288, 382, 334, 62, 268, 473, 452, 447, 232, 463, 163, 432, 465, 257, 145, 23, 110, 380]

Answer: [175, 23, 288, 382, 334, 62, 268, 473, 452, 447, 232, 463, 163, 432, 465, 257, 145, 495, 110, 380]

Question: [266, 446, 112, 116, 14, 309, 407, 256, 27, 109, 13, 118, 448, 412, 135, 288, 270, 158, 189, 75]

Answer:
[266, 446, 112, 116, 14, 309, 407, 256, 27, 109, 448, 118, 13, 412, 135, 288, 270, 158, 189, 75]