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:
[-20, 57, -40, -65, -18, -3]

Ex Output:
2


Ex Input:
[77, 15, -6, -50, -15, -39, 40, 75, -54, 10]

Ex Output:
2


Ex Input:
[42, 57, -25]

Ex Output:

15