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]: [154, 363, 245, 461, 244, 457, 274, 286, 490, 339, 304, 317, 408, 115, 413, 47, 42, 28, 19, 106]
[EX A]: 471

[EX Q]: [361, 224, 198, 74, 147, 325, 59, 18, 240, 496, 383, 321, 441, 291, 328, 64, 424, 105, 448, 226]
[EX A]: 478

[EX Q]: [38, 370, 141, 442, 326, 70, 407, 473, 19, 98, 488, 393, 203, 120, 173, 131, 156, 466, 287, 444]
[EX A]:
469