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:
[43, 49, -72, -93, 8, -47, -78, -45, 54]

Ex Output:
2


Ex Input:
[-55, 17, 35, -78, 51, -95, 78]

Ex Output:
16


Ex Input:
[-25, 99, -51, 9]

Ex Output:

26