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]: [400, 268, 494, 256, 335, 438, 63, 89, 254, 464, 79, 157, 49, 481, 289, 111, 313, 217, 239, 308]
[A]: 445


[Q]: [70, 109, 401, 280, 337, 361, 195, 49, 127, 151, 100, 140, 272, 81, 494, 351, 134, 207, 399, 306]
[A]: 445


[Q]: [102, 240, 275, 447, 221, 74, 380, 208, 191, 204, 472, 350, 61, 107, 290, 410, 351, 207, 357, 391]
[A]:
411