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 input: [1,2,3,4,5,7,34,25]
Example output: 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.
Q: [154, 363, 245, 461, 244, 457, 274, 286, 490, 339, 304, 317, 408, 115, 413, 47, 42, 28, 19, 106]
A:
471