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: [317, 61, 408, 261, 187, 150, 423, 259, 453, 163, 322, 201, 273, 312, 382, 64, 34, 358, 294, 299]
Output:
419