In this task you will be given a list of integers. You should find the maximum absolute difference between 2 integers in the list. The absolute difference is the absolute value of one integer subtracted by another. The output should be a single integer which is the largest possible absolute distance.

Ex Input:
[25, 1, 51, -39, -78, 91, 21]

Ex Output:
169


Ex Input:
[73, -35, -35, -70, 9, 98, 74, 35, 12, -46]

Ex Output:
168


Ex Input:
[-29, 78, -17, 49]

Ex Output:

107