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]: [154, 207, 64, 454, 323, 428, 319, 36, 273, 107, 16, 495, 206, 473, 367, 256, 460, 468, 478, 321]
[A]: 479


[Q]: [362, 49, 24, 479, 332, 186, 411, 116, 128, 209, 104, 431, 375, 63, 435, 367, 451, 62, 93, 226]
[A]: 455


[Q]: [31, 263, 460, 60, 418, 311, 246, 178, 103, 241, 168, 445, 28, 113, 192, 340, 470, 36, 283, 104]
[A]:
442