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.

[41, -94, 8, -31, 21]
13

[71, 19, 14, 18]
1

[-89, -99, -4, 30, 27, 65, -42]

3