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.

[37, 45, 56, -63, 84, 75, -92, -59, -31]
4

[-7, 71, 48, 96, -48, -11, -61]
4

[40, 1, -95, -48]

39