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:
[9, 78, -94, -50, -59, 97, 51, -51]

Ex Output:
1


Ex Input:
[62, 67, 4, 30, -57, 25, -41, 83, 18]

Ex Output:
5


Ex Input:
[-66, -59, 98, 75, -73]

Ex Output:

7