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]: [77, 139, 400, 409, 85, 354, 277, 334, 389, 415, 388, 193, 207, 398, 38, 127, 469, 44, 135, 179]
[EX A]: 431

[EX Q]: [390, 235, 102, 76, 462, 173, 267, 318, 400, 405, 270, 414, 196, 128, 336, 143, 181, 166, 498, 44]
[EX A]: 454

[EX Q]: [212, 172, 67, 301, 134, 179, 233, 273, 351, 410, 431, 299, 247, 178, 357, 345, 304, 288, 455, 155]
[EX A]:
388