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: [279, 425, 185, 319, 482, 320, 495, 93, 313, 55, 104, 240, 134, 172, 321, 270, 22, 364, 111, 285]

SOLUTION: 473

PROBLEM: [234, 71, 141, 450, 416, 70, 133, 280, 269, 242, 58, 110, 131, 96, 410, 432, 349, 177, 418, 183]

SOLUTION: 392

PROBLEM: [203, 115, 420, 204, 221, 56, 60, 310, 149, 472, 306, 211, 246, 494, 314, 95, 407, 449, 468, 269]

SOLUTION:
438