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]: [356, 43, 452, 148, 455, 206, 196, 394, 90, 107, 374, 139, 123, 425, 293, 352, 315, 218, 440, 110]
[EX A]: 412

[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]: [306, 182, 345, 103, 81, 19, 470, 76, 333, 282, 82, 259, 357, 28, 382, 217, 298, 84, 351, 85]
[EX A]:
451