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: [356, 43, 452, 148, 455, 206, 196, 394, 90, 107, 374, 139, 123, 425, 293, 352, 315, 218, 440, 110]
Example Output: 412

Example Input: [436, 445, 238, 217, 70, 95, 88, 37, 410, 165, 299, 66, 115, 153, 26, 324, 294, 186, 300, 429]
Example Output: 419

Example Input: [31, 170, 357, 52, 247, 221, 449, 415, 228, 229, 271, 135, 16, 367, 446, 65, 54, 395, 288, 434]
Example Output:
433