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]: [23, 442, 30, 73, 109, 344, 108, 209, 125, 491, 439, 138, 423, 476, 282, 20, 163, 97, 286, 355]
[A]: 471


[Q]: [298, 183, 306, 107, 415, 116, 113, 206, 334, 22, 474, 485, 106, 260, 288, 144, 328, 333, 318, 393]
[A]: 463


[Q]: [12, 472, 19, 31, 230, 149, 161, 407, 417, 360, 99, 77, 214, 405, 425, 196, 42, 273, 210, 345]
[A]:
460