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: [377, 482, 52, 270, 282, 487, 39, 123, 474, 195, 367, 80, 97, 162, 54, 349, 480, 391, 73, 319]
Output:
448