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: [485, 327, 154, 281, 179, 471, 200, 95, 250, 146, 181, 300, 383, 408, 253, 61, 261, 494, 407, 67]

Output: 433

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

Output: 442

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