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

[400, 268, 494, 256, 335, 438, 63, 89, 254, 464, 79, 157, 49, 481, 289, 111, 313, 217, 239, 308]
445

[298, 183, 306, 107, 415, 116, 113, 206, 334, 22, 474, 485, 106, 260, 288, 144, 328, 333, 318, 393]

463