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.

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

Output: 479


Input: Consider Input: [390, 297, 253, 424, 278, 21, 412, 238, 69, 435, 437, 87, 118, 201, 366, 345, 46, 151, 351, 71]

Output: 416


Input: Consider Input: [422, 245, 493, 387, 62, 78, 48, 30, 31, 378, 417, 139, 273, 465, 195, 76, 483, 205, 317, 83]


Output: 463