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: [-20, -43, -74, -82]

Answer: 8


Question: [-86, -64, -76, -44, -31, 84, -40]

Answer: 4


Question: [29, -80, -40]

Answer:
40