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: [308, 310, 137, 185, 362, 450, 263, 236, 294, 429, 435, 457, 316, 128, 337, 121, 331, 356, 381, 360]

SOLUTION: 336

PROBLEM: [338, 470, 159, 421, 176, 453, 322, 346, 142, 231, 245, 200, 488, 255, 436, 459, 388, 35, 412, 261]

SOLUTION: 453

PROBLEM: [375, 80, 325, 329, 130, 18, 428, 458, 10, 138, 170, 333, 99, 104, 432, 273, 173, 43, 53, 462]

SOLUTION:
452