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]: [169, 102, 65, 89, 439, 351, 227, 203, 324, 14, 450, 342, 295, 147, 409, 363, 108, 444, 174, 63]
[EX A]: 436

[EX Q]: [167, 181, 218, 93, 105, 68, 94, 495, 301, 157, 121, 429, 411, 222, 78, 146, 399, 316, 465, 15]
[EX A]: 480

[EX Q]: [436, 445, 238, 217, 70, 95, 88, 37, 410, 165, 299, 66, 115, 153, 26, 324, 294, 186, 300, 429]
[EX A]:
419