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.

Example Input: [12, 95, 55, -63, 14, -7, 31, 39, -31]
Example Output: 2

Example Input: [43, -94, -24, 70, 16, -90]
Example Output: 4

Example Input: [-43, -90, 9]
Example Output:
47