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


[Q]: [45, 217, 302, 215, 289, 332, 453, 426, 299, 362, 103, 313, 164, 468, 434, 10, 22, 181, 36, 499]
[A]: 489


[Q]: [19, 170, 414, 201, 440, 356, 146, 300, 336, 296, 40, 375, 183, 443, 420, 491, 30, 153, 430, 338]
[A]:
472