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.

Input: Consider Input: [383, 303, 323, 320, 460, 395, 122, 106, 313, 124, 236, 125, 257, 433, 286, 270, 464, 396, 162, 347]

Output: 358

Input: Consider Input: [361, 224, 198, 74, 147, 325, 59, 18, 240, 496, 383, 321, 441, 291, 328, 64, 424, 105, 448, 226]

Output: 478

Input: Consider Input: [31, 263, 460, 60, 418, 311, 246, 178, 103, 241, 168, 445, 28, 113, 192, 340, 470, 36, 283, 104]
Output: 442