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

Ex Output:
442


Ex Input:
[63, 463, 250, 15, 396, 388, 117, 14, 211, 478, 154, 80, 496, 112, 368, 217, 16, 475, 300, 126]

Ex Output:
482


Ex Input:
[269, 494, 422, 139, 436, 445, 135, 101, 467, 133, 206, 434, 217, 215, 353, 374, 59, 70, 155, 267]

Ex Output:

435