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.

[20, 54, 4]
16

[64, -100, -70, -18, -69]
1

[52, 48, 17, -54]

4