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.

Example Input: [183, 51, 382, 122, 494, 156, 71, 84, 461, 468, 90, 302, 380, 104, 87, 402, 360, 184, 283, 413]
Example Output: 443

Example Input: [358, 257, 170, 485, 214, 33, 354, 151, 156, 74, 116, 421, 422, 245, 418, 277, 50, 168, 194, 127]
Example Output: 452

Example Input: [356, 43, 452, 148, 455, 206, 196, 394, 90, 107, 374, 139, 123, 425, 293, 352, 315, 218, 440, 110]
Example Output:
412

