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:
[61, 57, 15, 75, -60]

Ex Output:
4


Ex Input:
[73, 90, -98, -16, 94, -80, 94]

Ex Output:
0


Ex Input:
[-23, -7, -87, 12, 81]

Ex Output:

16