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:
[77, 43, 83, 42]

Ex Output:
1


Ex Input:
[-20, 93, 1, 100, -26, 69, -77]

Ex Output:
6


Ex Input:
[44, -43, -90, 72, -99, 92, -70, 3, -69]

Ex Output:

1