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.

[18, 42, 73, -74, 20, 93, 79, -2, 16]
2

[11, 91, 52, 51, 33]
1

[85, -92, 32, -47, 47, 58, 89, 16, 66]

4