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.

[237, 191, 236, 329, 347, 89, 170, 429, 376, 121, 268, 397, 225, 61, 463, 66, 444, 473, 266, 43]
430

[170, 227, 153, 349, 20, 32, 324, 33, 19, 208, 185, 240, 57, 46, 332, 109, 296, 146, 180, 454]
435

[312, 354, 273, 324, 296, 391, 328, 443, 152, 303, 385, 119, 140, 157, 491, 52, 473, 186, 284, 377]

439