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: [102, 240, 275, 447, 221, 74, 380, 208, 191, 204, 472, 350, 61, 107, 290, 410, 351, 207, 357, 391]
A:
411