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

[EX Q]: [307, 405, 331, 295, 233, 108, 378, 147, 80, 460, 302, 75, 407, 399, 59, 37, 160, 286, 445, 86]
[EX A]: 423

[EX Q]: [137, 17, 311, 292, 13, 135, 242, 16, 206, 183, 192, 77, 461, 124, 430, 50, 225, 230, 392, 354]
[EX A]:
448