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: [18, -90, 72, -52, -28]

Answer: 24


Question: [-56, 57, -62, 43]

Answer: 6


Question: [43, 34, 44, -40, -37, -38, -21, 86, -13]

Answer:
1