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, -69, -29, -13]
7

[98, 26, 91, 66]
7

[-58, -70, 35, 22, -19, -15, -48, 64]

4