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: [-4, 39, -75]

Answer: 43


Question: [5, -50, 62, 30, -18, 45]

Answer: 15


Question: [20, -90, 55, 78, -80, 9, 27, 72]

Answer:
6