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.

Input: Consider Input: [279, 232, 368, 498, 109, 256, 237, 489, 381, 299, 440, 225, 182, 307, 58, 39, 173, 228, 485, 212]

Output: 459

Input: Consider Input: [379, 166, 33, 28, 246, 461, 332, 95, 67, 80, 270, 279, 55, 31, 70, 173, 305, 35, 92, 223]

Output: 433

Input: Consider Input: [403, 279, 182, 232, 337, 41, 138, 193, 436, 233, 388, 152, 91, 61, 463, 117, 413, 483, 450, 24]
Output: 459