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: [423, 213, 491, 98, 184, 12, 198, 349, 145, 353, 14, 214, 261, 233, 194, 225, 436, 311, 123, 149]

SOLUTION: 479

PROBLEM: [262, 64, 469, 168, 182, 181, 44, 482, 240, 481, 43, 339, 412, 444, 208, 45, 72, 38, 345, 133]

SOLUTION: 444

PROBLEM: [55, 414, 419, 282, 36, 339, 435, 232, 490, 441, 396, 265, 53, 64, 58, 145, 222, 338, 306, 44]

SOLUTION:
454