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:
[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:
[341, 472, 329, 362, 15, 148, 440, 198, 318, 379, 81, 295, 214, 282, 479, 233, 278, 55, 413, 184]

Ex Output:
464


Ex Input:
[319, 78, 368, 417, 317, 116, 92, 294, 214, 306, 469, 106, 347, 162, 311, 217, 144, 221, 416, 446]

Ex Output:

391


