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, -54, -84, -83, 21]

Ex Output:
1


Ex Input:
[-4, -73, 61, -87, 0, 9, 19]

Ex Output:
4


Ex Input:
[75, 60, -90, 57, -38, -99, -95]

Ex Output:

3