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]: [406, 404, 370, 493, 430, 464, 303, 449, 299, 456, 436, 132, 367, 405, 157, 382, 205, 54, 315, 41]
[EX A]: 452

[EX Q]: [44, 23, 60, 376, 408, 202, 423, 267, 326, 357, 200, 79, 178, 36, 230, 243, 220, 304, 168, 457]
[EX A]: 434

[EX Q]: [199, 461, 73, 177, 360, 257, 168, 273, 18, 19, 151, 356, 234, 89, 138, 85, 172, 425, 56, 228]
[EX A]:
443