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

Now, solve this: [58, 158, 389, 274, 353, 290, 211, 433, 105, 405, 486, 177, 47, 395, 171, 458, 462, 38, 36, 373]
Solution:
450