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]: [387, 130, 179, 297, 391, 394, 460, 420, 180, 68, 429, 321, 42, 151, 428, 339, 61, 33, 200, 150]
[EX A]: 427

[EX Q]: [312, 327, 250, 149, 99, 482, 446, 317, 95, 372, 325, 367, 356, 437, 195, 48, 72, 463, 278, 363]
[EX A]: 434

[EX Q]: [307, 405, 331, 295, 233, 108, 378, 147, 80, 460, 302, 75, 407, 399, 59, 37, 160, 286, 445, 86]
[EX A]:
423