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]: [338, 470, 159, 421, 176, 453, 322, 346, 142, 231, 245, 200, 488, 255, 436, 459, 388, 35, 412, 261]
[A]: 453


[Q]: [255, 356, 96, 399, 326, 62, 432, 365, 253, 188, 86, 262, 421, 499, 481, 345, 155, 110, 171, 107]
[A]: 437


[Q]: [369, 197, 105, 154, 275, 446, 318, 216, 53, 195, 127, 451, 37, 491, 190, 317, 443, 386, 315, 77]
[A]:
454