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: [281, 373, 145, 280, 368, 379, 99, 171, 484, 64, 499, 357, 455, 353, 199, 112, 491, 356, 314, 447]
Output:
435