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:
[360, 186, 279, 178, 204, 101, 354, 103, 232, 30, 87, 303, 405, 305, 265, 443, 472, 313, 205, 169]

Ex Output:
442


Ex Input:
[73, 222, 89, 56, 211, 16, 409, 136, 12, 153, 285, 109, 466, 474, 290, 408, 54, 379, 220, 309]

Ex Output:
462


Ex Input:
[406, 404, 370, 493, 430, 464, 303, 449, 299, 456, 436, 132, 367, 405, 157, 382, 205, 54, 315, 41]

Ex Output:

452