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:
[238, 173, 414, 258, 427, 292, 161, 358, 63, 353, 440, 55, 93, 176, 444, 41, 385, 136, 283, 45]

Ex Output:
403


Ex Input:
[77, 139, 400, 409, 85, 354, 277, 334, 389, 415, 388, 193, 207, 398, 38, 127, 469, 44, 135, 179]

Ex Output:
431


Ex Input:
[237, 476, 157, 437, 325, 455, 135, 52, 107, 482, 131, 175, 14, 317, 358, 163, 228, 407, 180, 461]

Ex Output:

468


