TASK DEFINITION: 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.
PROBLEM: [296, 493, 284, 268, 156, 341, 170, 308, 299, 121, 181, 67, 428, 415, 154, 199, 494, 186, 321, 317]

SOLUTION: 427

PROBLEM: [452, 110, 73, 261, 427, 350, 316, 156, 462, 496, 106, 214, 296, 65, 367, 241, 25, 143, 183, 335]

SOLUTION: 471

PROBLEM: [67, 194, 171, 237, 357, 306, 33, 32, 333, 104, 327, 444, 496, 362, 184, 307, 114, 82, 249, 246]

SOLUTION:
464