In this task you will be given a list of integers. You should find the minimum 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 smallest possible absolute distance.

Ex Input:
[97, -58, 12, 63, 19, 71, -31, 36, -72]

Ex Output:
7


Ex Input:
[-52, 89, -85, -99, 30, 77]

Ex Output:
12


Ex Input:
[10, -47, 4, -39, -66, 55, 71]

Ex Output:

6