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:
[-18, -27, -88, -76, -72]

Ex Output:
4


Ex Input:
[-97, 42, -47, 98, -67, 10, 42, -75, 90]

Ex Output:
0


Ex Input:
[23, 64, -68, 25, 25, -72, 45, -15, 45, 40]

Ex Output:

0