Instructions: 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: [45, 217, 302, 215, 289, 332, 453, 426, 299, 362, 103, 313, 164, 468, 434, 10, 22, 181, 36, 499]
Output:
489