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: [258, 453, 485, 246, 242, 312, 327, 319, 171, 39, 288, 292, 81, 93, 189, 223, 467, 489, 95, 408]

SOLUTION: 450

PROBLEM: [104, 333, 387, 71, 369, 84, 438, 68, 15, 29, 386, 281, 420, 437, 103, 72, 220, 301, 170, 165]

SOLUTION: 423

PROBLEM: [230, 334, 215, 305, 378, 394, 67, 241, 362, 231, 434, 269, 272, 124, 366, 214, 330, 228, 125, 421]

SOLUTION:
367

