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]: [185, 396, 366, 219, 118, 386, 129, 413, 417, 166, 186, 358, 378, 40, 29, 397, 238, 245, 390, 287]
[EX A]: 388

[EX Q]: [137, 17, 311, 292, 13, 135, 242, 16, 206, 183, 192, 77, 461, 124, 430, 50, 225, 230, 392, 354]
[EX A]: 448

[EX Q]: [95, 43, 93, 232, 133, 340, 102, 337, 262, 250, 10, 267, 58, 442, 273, 438, 242, 325, 260, 203]
[EX A]:
432

