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]: [357, 429, 414, 249, 94, 134, 374, 161, 19, 475, 406, 329, 113, 298, 451, 284, 308, 324, 317, 302]
[EX A]: 456

[EX Q]: [262, 64, 469, 168, 182, 181, 44, 482, 240, 481, 43, 339, 412, 444, 208, 45, 72, 38, 345, 133]
[EX A]: 444

[EX Q]: [299, 373, 468, 457, 216, 28, 265, 329, 258, 487, 91, 84, 219, 263, 367, 32, 391, 294, 365, 227]
[EX A]:
459