Definition: 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.
Input: [393, 337, 375, 330, 344, 82, 499, 100, 99, 392, 248, 125, 371, 33, 86, 372, 426, 199, 425, 255]
Output:
466