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.

[15, -53, 68, -20, 68, -33, 79, 34, 15]
0

[-4, -73, 61, -87, 0, 9, 19]
4

[61, 98, -31, 85, 95, -50, -15, -38]

3