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: [306, 182, 345, 103, 81, 19, 470, 76, 333, 282, 82, 259, 357, 28, 382, 217, 298, 84, 351, 85]

Output: 451


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, 235, 102, 76, 462, 173, 267, 318, 400, 405, 270, 414, 196, 128, 336, 143, 181, 166, 498, 44]


Output: 454