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: [444, 425, 422, 206, 410, 134, 474, 208, 464, 313, 429, 83, 269, 98, 49, 172, 116, 296, 403, 459]
Example Output: 425

Example Input: [421, 390, 263, 376, 486, 468, 247, 60, 283, 304, 259, 431, 488, 127, 456, 148, 344, 377, 305, 407]
Example Output: 428

Example Input: [201, 413, 361, 111, 411, 416, 101, 478, 73, 128, 281, 56, 239, 33, 130, 64, 206, 288, 301, 138]
Example Output:
445