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:
[236, 128, 64, 438, 241, 141, 256, 492, 68, 462, 192, 426, 48, 366, 13, 26, 385, 320, 324, 137]

Ex Output:
479


Ex Input:
[82, 130, 118, 319, 455, 414, 88, 19, 426, 13, 174, 301, 279, 144, 29, 362, 402, 114, 240, 289]

Ex Output:
442


Ex Input:
[384, 352, 257, 43, 338, 390, 410, 25, 402, 266, 244, 182, 161, 396, 315, 285, 113, 387, 42, 135]

Ex Output:

385