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.

Ex Input:
[71, 449, 282, 270, 245, 186, 279, 406, 413, 212, 67, 160, 218, 196, 134, 441, 200, 300, 96, 327]

Ex Output:
382

Ex Input:
[134, 140, 371, 497, 383, 213, 197, 442, 438, 257, 281, 54, 247, 276, 181, 360, 236, 448, 160, 123]

Ex Output:
443

Ex Input:
[409, 463, 252, 471, 273, 247, 228, 410, 467, 433, 455, 483, 56, 402, 87, 99, 152, 12, 466, 222]

Ex Output:
471