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:
[51, 310, 128, 338, 12, 415, 29, 68, 82, 66, 435, 33, 482, 25, 345, 302, 152, 285, 221, 216]

Ex Output:
470


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


Ex Input:
[374, 53, 362, 441, 431, 162, 68, 272, 207, 367, 326, 154, 465, 304, 225, 159, 103, 330, 259, 360]

Ex Output:

412