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:
[2, 75, 89, 57, 97, -9, 0, 52]

Ex Output:
2


Ex Input:
[90, -19, -65, -99, 51, 36, -64]

Ex Output:
1


Ex Input:
[-50, 81, 87, 54]

Ex Output:

6