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]: [439, 406, 106, 253, 361, 393, 232, 269, 64, 208, 234, 354, 231, 307, 47, 31, 377, 80, 400, 294]
[A]: 408

[Q]: [279, 425, 185, 319, 482, 320, 495, 93, 313, 55, 104, 240, 134, 172, 321, 270, 22, 364, 111, 285]
[A]: 473

[Q]: [17, 486, 428, 454, 62, 124, 487, 315, 25, 457, 265, 108, 441, 286, 146, 467, 144, 318, 483, 440]
[A]:
470