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: [421, 296, 58, 388, 31, 70, 88, 68, 190, 453, 241, 314, 362, 106, 189, 321, 282, 84, 145, 212]
Output:
422