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:
[384, 282, 89, 347, 23, 113, 456, 134, 303, 110, 350, 114, 442, 62, 223, 370, 135, 73, 377, 469]

Ex Output:
446


Ex Input:
[202, 124, 414, 49, 223, 298, 466, 495, 472, 87, 37, 360, 305, 339, 151, 59, 362, 52, 293, 434]

Ex Output:
458


Ex Input:
[172, 441, 362, 60, 216, 244, 287, 411, 113, 114, 118, 209, 404, 127, 382, 161, 65, 56, 446, 21]

Ex Output:

425