Q: 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.
[188, 20, 455, 106, 135, 176, 77, 216, 457, 465, 101, 358, 259, 179, 196, 127, 391, 366, 218, 138]
A:
445