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: [231, 297, 150, 135, 464, 31, 332, 101, 214, 249, 165, 245, 465, 456, 254, 133, 257, 484, 106, 143]
A:
453