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: [218, 284, 359, 456, 33, 488, 388, 59, 208, 68, 190, 188, 338, 45, 350, 103, 265, 58, 178, 193]

SOLUTION: 455

PROBLEM: [301, 312, 253, 158, 28, 298, 428, 334, 472, 295, 259, 160, 289, 213, 491, 407, 169, 152, 475, 457]

SOLUTION: 463

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

SOLUTION:
467