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.

[485, 327, 154, 281, 179, 471, 200, 95, 250, 146, 181, 300, 383, 408, 253, 61, 261, 494, 407, 67]
433

[234, 71, 141, 450, 416, 70, 133, 280, 269, 242, 58, 110, 131, 96, 410, 432, 349, 177, 418, 183]
392

[265, 377, 171, 447, 370, 12, 37, 24, 199, 327, 126, 138, 229, 363, 22, 378, 16, 223, 253, 252]
435