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:
[-68, 94, -20, -68, 94, -25, -100, -32, 55, -91]

Ex Output:
0


Ex Input:
[97, -58, 12, 63, 19, 71, -31, 36, -72]

Ex Output:
7


Ex Input:
[-68, -80, 78, -80, 88]

Ex Output:

0