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.

[227, 156, 78, 249, 225, 147, 125, 33, 316, 421, 208, 215, 186, 486, 53, 29, 207, 308, 176, 403]
457

[226, 160, 295, 257, 97, 44, 438, 366, 277, 316, 12, 445, 398, 460, 393, 386, 363, 465, 23, 37]
453

[231, 297, 150, 135, 464, 31, 332, 101, 214, 249, 165, 245, 465, 456, 254, 133, 257, 484, 106, 143]

453