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.

[67, 18, 85, -4, 11, 63]
4

[40, 89, -76, 74, 8, -1]
9

[-29, -63, -11, 38, -86, -12, 0, -88, -73]

1