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.
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Question: [-16, 15, -28]

Answer: 12


Question: [64, -100, -70, -18, -69]

Answer: 1


Question: [27, 4, 87, 18, -96, -17, 85, -20, -86]

Answer:
2