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]: [154, 425, 267, 492, 204, 337, 255, 79, 426, 101, 103, 230, 265, 80, 473, 340, 396, 394, 92, 69]
[A]: 423

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

[Q]: [384, 200, 268, 33, 272, 131, 301, 144, 276, 432, 46, 499, 133, 377, 177, 262, 464, 437, 433, 308]
[A]:
466