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: [238, 173, 414, 258, 427, 292, 161, 358, 63, 353, 440, 55, 93, 176, 444, 41, 385, 136, 283, 45]
Example Output: 403

Example Input: [238, 497, 369, 193, 169, 114, 172, 325, 245, 33, 301, 332, 446, 222, 179, 468, 160, 182, 44, 362]
Example Output: 464

Example Input: [341, 472, 329, 362, 15, 148, 440, 198, 318, 379, 81, 295, 214, 282, 479, 233, 278, 55, 413, 184]
Example Output:
464