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: [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: [452, 88, 339, 462, 463, 295, 52, 446, 267, 95, 482, 56, 187, 376, 110, 438, 354, 135, 250, 183]
Example Output: 430

Example Input: [452, 110, 73, 261, 427, 350, 316, 156, 462, 496, 106, 214, 296, 65, 367, 241, 25, 143, 183, 335]
Example Output:
471