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:
[31, 263, 460, 60, 418, 311, 246, 178, 103, 241, 168, 445, 28, 113, 192, 340, 470, 36, 283, 104]

Ex Output:
442


Ex Input:
[241, 375, 465, 92, 149, 323, 447, 103, 107, 219, 64, 140, 329, 182, 251, 394, 356, 192, 26, 167]

Ex Output:
439


Ex Input:
[230, 334, 215, 305, 378, 394, 67, 241, 362, 231, 434, 269, 272, 124, 366, 214, 330, 228, 125, 421]

Ex Output:

367