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:
[-53, 77, -59, 32, 33, -88, -88, 45, 31]

Ex Output:
0


Ex Input:
[41, -94, 8, -31, 21]

Ex Output:
13


Ex Input:
[-3, -75, -53, -88]

Ex Output:

13