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]: [51, 189, 324, 136, 62, 257, 47, 81, 49, 128, 445, 177, 249, 241, 463, 59, 115, 405, 48, 495]
[EX A]: 448

[EX Q]: [377, 482, 52, 270, 282, 487, 39, 123, 474, 195, 367, 80, 97, 162, 54, 349, 480, 391, 73, 319]
[EX A]: 448

[EX Q]: [37, 40, 333, 196, 303, 93, 369, 299, 439, 59, 473, 10, 345, 452, 132, 469, 70, 371, 48, 239]
[EX A]:
463