Definition: 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: [341, 290, 135, 284, 463, 121, 153, 32, 125, 279, 250, 201, 480, 254, 261, 192, 278, 406, 120, 441]
Output:
448