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.
Input: [188, 343, 475, 101, 398, 279, 11, 422, 418, 114, 75, 272, 401, 112, 288, 351, 424, 361, 328, 463]
Output:
464