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]: [238, 173, 414, 258, 427, 292, 161, 358, 63, 353, 440, 55, 93, 176, 444, 41, 385, 136, 283, 45]
[EX A]: 403

[EX Q]: [82, 130, 118, 319, 455, 414, 88, 19, 426, 13, 174, 301, 279, 144, 29, 362, 402, 114, 240, 289]
[EX A]:
442

