Detailed 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.
See one example below:
Problem: [1,2,3,4,5,7,34,25]
Solution: 33
Explanation: maximum element is 34 and minimum element is 1, range is equal to the difference between 34 and 1 which is 33.

Problem: [222, 112, 48, 156, 440, 59, 107, 104, 320, 111, 268, 158, 368, 425, 163, 214, 495, 237, 270, 144]
Solution:
447