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: [301, 312, 253, 158, 28, 298, 428, 334, 472, 295, 259, 160, 289, 213, 491, 407, 169, 152, 475, 457]
Example Output: 463

Example Input: [234, 71, 141, 450, 416, 70, 133, 280, 269, 242, 58, 110, 131, 96, 410, 432, 349, 177, 418, 183]
Example Output: 392

Example Input: [375, 80, 325, 329, 130, 18, 428, 458, 10, 138, 170, 333, 99, 104, 432, 273, 173, 43, 53, 462]
Example Output:
452

