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:
[64, -100, -70, -18, -69]

Ex Output:
1


Ex Input:
[41, 82, 50, 19, -67, 9, 2, 49, -63]

Ex Output:
1


Ex Input:
[87, -49, 52, 42]

Ex Output:

10