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.

[28, 28, 29, -88, -86, 18]
0

[72, 85, -37, 24]
13

[56, -86, 80, -74, 28, -34]

12