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, 43, 2, -55]
18

[4, -54, 38]
34

[-13, -7, -8, -22, 91, 20]

1

