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: [429, 371, 119, 256, 460, 463, 11, 431, 333, 258, 113, 284, 132, 236, 44, 111, 83, 464, 257, 380]
Output:
453