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]: [172, 441, 362, 60, 216, 244, 287, 411, 113, 114, 118, 209, 404, 127, 382, 161, 65, 56, 446, 21]
[A]: 425


[Q]: [341, 472, 329, 362, 15, 148, 440, 198, 318, 379, 81, 295, 214, 282, 479, 233, 278, 55, 413, 184]
[A]: 464


[Q]: [87, 126, 334, 74, 100, 167, 496, 271, 345, 253, 387, 130, 244, 155, 328, 193, 252, 235, 384, 142]
[A]:
422