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]: [195, 88, 399, 111, 266, 288, 365, 106, 36, 390, 259, 356, 351, 394, 41, 187, 455, 68, 391, 343]
[EX A]: 419

[EX Q]: [266, 432, 61, 375, 17, 111, 97, 172, 55, 305, 312, 474, 69, 321, 497, 403, 232, 245, 248, 318]
[EX A]: 480

[EX Q]: [301, 493, 469, 440, 276, 264, 17, 431, 381, 96, 463, 37, 67, 155, 87, 281, 89, 402, 25, 120]
[EX A]:
476