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]: [358, 257, 170, 485, 214, 33, 354, 151, 156, 74, 116, 421, 422, 245, 418, 277, 50, 168, 194, 127]
[EX A]: 452

[EX Q]: [377, 482, 52, 270, 282, 487, 39, 123, 474, 195, 367, 80, 97, 162, 54, 349, 480, 391, 73, 319]
[EX A]: 448

[EX Q]: [218, 284, 359, 456, 33, 488, 388, 59, 208, 68, 190, 188, 338, 45, 350, 103, 265, 58, 178, 193]
[EX A]:
455

