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]: [308, 310, 137, 185, 362, 450, 263, 236, 294, 429, 435, 457, 316, 128, 337, 121, 331, 356, 381, 360]
[EX A]: 336

[EX Q]: [415, 105, 125, 162, 344, 251, 265, 448, 131, 386, 316, 129, 470, 272, 109, 201, 127, 322, 68, 328]
[EX A]: 402

[EX Q]: [488, 40, 41, 87, 226, 492, 71, 342, 267, 448, 90, 141, 146, 113, 64, 97, 394, 493, 414, 265]
[EX A]:
453