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.
Example: [1,2,3,4,5,7,34,25]
Example solution: 33
Example explanation: maximum element is 34 and minimum element is 1, range is equal to the difference between 34 and 1 which is 33.

Problem: [379, 166, 33, 28, 246, 461, 332, 95, 67, 80, 270, 279, 55, 31, 70, 173, 305, 35, 92, 223]

Solution: 433