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]: [317, 319, 328, 99, 216, 494, 141, 62, 36, 486, 422, 177, 120, 131, 114, 314, 301, 74, 331, 490]
[A]: 458


[Q]: [144, 25, 209, 322, 402, 157, 242, 368, 289, 356, 485, 106, 104, 377, 355, 29, 62, 239, 253, 186]
[A]: 460


[Q]: [227, 156, 78, 249, 225, 147, 125, 33, 316, 421, 208, 215, 186, 486, 53, 29, 207, 308, 176, 403]
[A]:
457