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


[Q]: [266, 432, 61, 375, 17, 111, 97, 172, 55, 305, 312, 474, 69, 321, 497, 403, 232, 245, 248, 318]
[A]: 480


[Q]: [169, 102, 65, 89, 439, 351, 227, 203, 324, 14, 450, 342, 295, 147, 409, 363, 108, 444, 174, 63]
[A]:
436


