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:
[226, 160, 295, 257, 97, 44, 438, 366, 277, 316, 12, 445, 398, 460, 393, 386, 363, 465, 23, 37]

Ex Output:
453


Ex Input:
[399, 53, 213, 28, 417, 457, 69, 189, 433, 54, 369, 497, 202, 234, 103, 45, 232, 482, 18, 398]

Ex Output:
479


Ex Input:
[73, 222, 89, 56, 211, 16, 409, 136, 12, 153, 285, 109, 466, 474, 290, 408, 54, 379, 220, 309]

Ex Output:

462


