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: [12, 472, 19, 31, 230, 149, 161, 407, 417, 360, 99, 77, 214, 405, 425, 196, 42, 273, 210, 345]

SOLUTION: 460

PROBLEM: [486, 403, 242, 441, 132, 270, 268, 357, 43, 497, 26, 458, 159, 108, 11, 208, 243, 376, 361, 136]

SOLUTION: 486

PROBLEM: [51, 189, 324, 136, 62, 257, 47, 81, 49, 128, 445, 177, 249, 241, 463, 59, 115, 405, 48, 495]

SOLUTION:
448