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:
[57, 200, 123, 86, 330, 287, 339, 163, 41, 386, 94, 104, 171, 208, 38, 470, 251, 303, 437, 50]

Ex Output:
432


Ex Input:
[456, 236, 393, 387, 330, 131, 467, 381, 480, 165, 50, 143, 259, 138, 360, 299, 80, 248, 271, 462]

Ex Output:
430


Ex Input:
[38, 263, 454, 92, 170, 328, 293, 488, 23, 273, 103, 380, 333, 141, 307, 25, 161, 418, 189, 321]

Ex Output:

465


