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: [468, 47, 379, 239, 487, 129, 150, 25, 294, 76, 29, 385, 214, 290, 422, 252, 355, 435, 114, 480]
Example Output: 462

Example Input: [252, 475, 445, 300, 124, 55, 432, 249, 190, 45, 144, 15, 463, 426, 239, 407, 339, 195, 133, 79]
Example Output: 460

Example Input: [358, 257, 170, 485, 214, 33, 354, 151, 156, 74, 116, 421, 422, 245, 418, 277, 50, 168, 194, 127]
Example Output:
452