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: [301, 53, 25, 274, 462, 143, 91, 228, 133, 158, 350, 175, 172, 332, 357, 62, 248, 61, 424, 195]
A: 
437