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:
[255, 356, 96, 399, 326, 62, 432, 365, 253, 188, 86, 262, 421, 499, 481, 345, 155, 110, 171, 107]

Ex Output:
437


Ex Input:
[71, 449, 282, 270, 245, 186, 279, 406, 413, 212, 67, 160, 218, 196, 134, 441, 200, 300, 96, 327]

Ex Output:
382


Ex Input:
[383, 303, 323, 320, 460, 395, 122, 106, 313, 124, 236, 125, 257, 433, 286, 270, 464, 396, 162, 347]

Ex Output:

358


