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: [286, 487, 492, 203, 313, 204, 269, 245, 294, 499, 148, 134, 396, 166, 305, 137, 251, 55, 364, 231]

Output: 444


Input: Consider Input: [317, 319, 328, 99, 216, 494, 141, 62, 36, 486, 422, 177, 120, 131, 114, 314, 301, 74, 331, 490]

Output: 458


Input: Consider Input: [421, 296, 58, 388, 31, 70, 88, 68, 190, 453, 241, 314, 362, 106, 189, 321, 282, 84, 145, 212]


Output: 422


