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.
--------
Question: [28, 28, 29, -88, -86, 18]

Answer: 0


Question: [-21, 11, 84, -2, 26, 64, 54, -49, 28]

Answer: 2


Question: [-47, 81, -91, -42, -8, 2, 86, -37, -12, -53]

Answer:
4