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


[Q]: [349, 495, 181, 489, 385, 406, 314, 22, 128, 236, 214, 157, 66, 237, 475, 195, 407, 199, 13, 245]
[A]: 482


[Q]: [188, 343, 475, 101, 398, 279, 11, 422, 418, 114, 75, 272, 401, 112, 288, 351, 424, 361, 328, 463]
[A]:
464