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.

Example Input: [22, 26, 470, 338, 205, 68, 262, 276, 481, 239, 411, 20, 287, 454, 451, 249, 127, 207, 70, 226]
Example Output: 461

Example Input: [238, 497, 369, 193, 169, 114, 172, 325, 245, 33, 301, 332, 446, 222, 179, 468, 160, 182, 44, 362]
Example Output: 464

Example Input: [237, 476, 157, 437, 325, 455, 135, 52, 107, 482, 131, 175, 14, 317, 358, 163, 228, 407, 180, 461]
Example Output:
468