In this task, you are given a list of integers you need to calculate and return the range of the integers which is the difference between maximum and minimum element in the list.

[Q]: [236, 128, 64, 438, 241, 141, 256, 492, 68, 462, 192, 426, 48, 366, 13, 26, 385, 320, 324, 137]
[A]: 479

[Q]: [87, 126, 334, 74, 100, 167, 496, 271, 345, 253, 387, 130, 244, 155, 328, 193, 252, 235, 384, 142]
[A]: 422

[Q]: [485, 327, 154, 281, 179, 471, 200, 95, 250, 146, 181, 300, 383, 408, 253, 61, 261, 494, 407, 67]
[A]:
433