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: [222, 112, 48, 156, 440, 59, 107, 104, 320, 111, 268, 158, 368, 425, 163, 214, 495, 237, 270, 144]
Example Output: 447

Example Input: [38, 263, 454, 92, 170, 328, 293, 488, 23, 273, 103, 380, 333, 141, 307, 25, 161, 418, 189, 321]
Example Output: 465

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