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.

[EX Q]: [415, 66, 412, 331, 359, 110, 333, 474, 42, 85, 148, 459, 176, 131, 129, 19, 130, 249, 352, 368]
[EX A]: 455

[EX Q]: [308, 310, 137, 185, 362, 450, 263, 236, 294, 429, 435, 457, 316, 128, 337, 121, 331, 356, 381, 360]
[EX A]: 336

[EX Q]: [197, 44, 239, 426, 356, 403, 75, 159, 55, 106, 199, 254, 92, 210, 334, 319, 288, 402, 129, 499]
[EX A]:
455