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

Output: 392

Input: Consider Input: [307, 405, 331, 295, 233, 108, 378, 147, 80, 460, 302, 75, 407, 399, 59, 37, 160, 286, 445, 86]

Output: 423

Input: Consider Input: [154, 207, 64, 454, 323, 428, 319, 36, 273, 107, 16, 495, 206, 473, 367, 256, 460, 468, 478, 321]
Output: 479