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:
[335, 418, 355, 400, 167, 404, 466, 448, 183, 166, 216, 478, 457, 110, 342, 197, 370, 299, 384, 263]

Ex Output:
368


Ex Input:
[92, 439, 231, 76, 136, 498, 129, 426, 186, 252, 120, 314, 53, 131, 258, 45, 36, 239, 449, 321]

Ex Output:
462


Ex Input:
[21, 128, 318, 367, 66, 190, 441, 186, 206, 52, 325, 467, 429, 167, 482, 464, 389, 60, 306, 146]

Ex Output:

461


