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.

[319, 78, 368, 417, 317, 116, 92, 294, 214, 306, 469, 106, 347, 162, 311, 217, 144, 221, 416, 446]
391

[492, 205, 74, 388, 224, 64, 484, 446, 407, 102, 192, 398, 181, 215, 490, 90, 35, 358, 220, 368]
457

[58, 158, 389, 274, 353, 290, 211, 433, 105, 405, 486, 177, 47, 395, 171, 458, 462, 38, 36, 373]
450