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.

[-40, 70, 47, 24]
23

[12, -29, -31, 91, -52, 49, -18]
2

[-54, -27, 13, 81, 79, -67, 15, 9, 23]

2