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: [493, 77, 40, 244, 311, 50, 336, 250, 157, 155, 350, 351, 71, 216, 26, 461, 37, 388, 243, 328]

SOLUTION: 467

PROBLEM: [456, 236, 393, 387, 330, 131, 467, 381, 480, 165, 50, 143, 259, 138, 360, 299, 80, 248, 271, 462]

SOLUTION: 430

PROBLEM: [63, 463, 250, 15, 396, 388, 117, 14, 211, 478, 154, 80, 496, 112, 368, 217, 16, 475, 300, 126]

SOLUTION:
482