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: [1, -72, 66, -75, 52, -40]
Example Output: 3

Example Input: [20, 54, 4]
Example Output: 16

Example Input: [91, 39, -30, 34, -43, 92, -4, 34]
Example Output:
0