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: [63, 25, -47, 5]

Answer: 20


Question: [29, 56, -68]

Answer: 27


Question: [-51, 51, -66, -34]

Answer:
15