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:
[-57, -17, 75]

Ex Output:
40


Ex Input:
[-99, -61, -41, 67, 70, 45]

Ex Output:
3


Ex Input:
[-57, -39, 64]

Ex Output:

18