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: [49, 499, 118, 32, 478, 169, 212, 445, 308, 110, 465, 449, 106, 148, 487, 401, 95, 389, 256, 205]
A: 
467