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.

[-13, 38, -75, -66]
9

[-71, -91, -19, 58]
20

[-86, -100, -46, 16, 34, 12, 91]

4