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

Ex Output:
358


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

Ex Output:

446