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]: [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]: [384, 200, 268, 33, 272, 131, 301, 144, 276, 432, 46, 499, 133, 377, 177, 262, 464, 437, 433, 308]
[EX A]: 466

[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