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: [452, 88, 339, 462, 463, 295, 52, 446, 267, 95, 482, 56, 187, 376, 110, 438, 354, 135, 250, 183]
Example Output: 430

Example Input: [405, 24, 381, 104, 62, 443, 356, 312, 245, 10, 221, 483, 298, 29, 160, 275, 320, 175, 143, 495]
Example Output: 485

Example Input: [361, 224, 198, 74, 147, 325, 59, 18, 240, 496, 383, 321, 441, 291, 328, 64, 424, 105, 448, 226]
Example Output:
478