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: [102, 268, 105, 118, 419, 57, 271, 365, 186, 342, 156, 131, 223, 471, 227, 317, 185, 424, 360, 478]

SOLUTION: 421

PROBLEM: [154, 363, 245, 461, 244, 457, 274, 286, 490, 339, 304, 317, 408, 115, 413, 47, 42, 28, 19, 106]

SOLUTION: 471

PROBLEM: [356, 43, 452, 148, 455, 206, 196, 394, 90, 107, 374, 139, 123, 425, 293, 352, 315, 218, 440, 110]

SOLUTION:
412