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]: [82, 130, 118, 319, 455, 414, 88, 19, 426, 13, 174, 301, 279, 144, 29, 362, 402, 114, 240, 289]
[EX A]: 442

[EX Q]: [237, 476, 157, 437, 325, 455, 135, 52, 107, 482, 131, 175, 14, 317, 358, 163, 228, 407, 180, 461]
[EX A]: 468

[EX Q]: [255, 356, 96, 399, 326, 62, 432, 365, 253, 188, 86, 262, 421, 499, 481, 345, 155, 110, 171, 107]
[EX A]:
437