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


[Q]: [262, 339, 24, 335, 143, 480, 476, 107, 55, 469, 151, 64, 186, 448, 255, 234, 458, 218, 54, 129]
[A]: 456


[Q]: [421, 296, 58, 388, 31, 70, 88, 68, 190, 453, 241, 314, 362, 106, 189, 321, 282, 84, 145, 212]
[A]:
422