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: [197, 44, 239, 426, 356, 403, 75, 159, 55, 106, 199, 254, 92, 210, 334, 319, 288, 402, 129, 499]
Example Output: 455

Example Input: [38, 266, 209, 22, 334, 372, 279, 42, 123, 247, 445, 363, 414, 180, 496, 88, 298, 382, 79, 284]
Example Output: 474

Example Input: [288, 350, 334, 38, 293, 408, 397, 228, 243, 192, 349, 470, 141, 421, 356, 440, 153, 373, 417, 172]
Example Output:
432