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

Ex Output:
443


Ex Input:
[98, 306, 171, 220, 96, 235, 292, 425, 136, 263, 266, 474, 388, 430, 143, 51, 351, 274, 347, 346]

Ex Output:
423


Ex Input:
[98, 306, 171, 220, 96, 235, 292, 425, 136, 263, 266, 474, 388, 430, 143, 51, 351, 274, 347, 346]

Ex Output:

423