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

Answer: 0


Question: [46, -72, 30]

Answer: 16


Question: [30, 86, 37, -11, -53, -11, 53, 20]

Answer:
0