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:
[-91, 67, -76, -32, -64, -20, -19, 64, -31]

Ex Output:
1


Ex Input:
[95, 87, 4, 33, -47, -68, -47, -73]

Ex Output:
0


Ex Input:
[43, 77, -55, 51, 66, 20]

Ex Output:

8