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: [492, 205, 74, 388, 224, 64, 484, 446, 407, 102, 192, 398, 181, 215, 490, 90, 35, 358, 220, 368]
Example Output: 457

Example Input: [384, 282, 89, 347, 23, 113, 456, 134, 303, 110, 350, 114, 442, 62, 223, 370, 135, 73, 377, 469]
Example Output: 446

Example Input: [197, 352, 296, 289, 302, 172, 411, 222, 230, 493, 75, 443, 53, 250, 179, 241, 198, 80, 488, 107]
Example Output:
440