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: [341, 472, 329, 362, 15, 148, 440, 198, 318, 379, 81, 295, 214, 282, 479, 233, 278, 55, 413, 184]
Output:
464