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.

[43, 34, 44, -40, -37, -38, -21, 86, -13]
1

[96, -41, -56]
15

[45, -11, 81, -75, 42, -33, -43, 19, -4]

3