Detailed 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.
Q: [73, 222, 89, 56, 211, 16, 409, 136, 12, 153, 285, 109, 466, 474, 290, 408, 54, 379, 220, 309]
A:
462