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.

[301, 312, 253, 158, 28, 298, 428, 334, 472, 295, 259, 160, 289, 213, 491, 407, 169, 152, 475, 457]
463

[144, 25, 209, 322, 402, 157, 242, 368, 289, 356, 485, 106, 104, 377, 355, 29, 62, 239, 253, 186]
460

[488, 40, 41, 87, 226, 492, 71, 342, 267, 448, 90, 141, 146, 113, 64, 97, 394, 493, 414, 265]

453

