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.

[EX Q]: [429, 371, 119, 256, 460, 463, 11, 431, 333, 258, 113, 284, 132, 236, 44, 111, 83, 464, 257, 380]
[EX A]: 453

[EX Q]: [71, 226, 452, 449, 418, 319, 249, 38, 17, 281, 213, 32, 209, 344, 481, 294, 236, 287, 264, 191]
[EX A]: 464

[EX Q]: [22, 26, 470, 338, 205, 68, 262, 276, 481, 239, 411, 20, 287, 454, 451, 249, 127, 207, 70, 226]
[EX A]:
461

