In this task you will be given a list of numbers and you need to find the mean (average) of that list. The mean of a list can be found by summing every number in the list then dividing the result by the size of that list. The output should be rounded to 3 decimal places.
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Question: [-69.698, 181.415, -43.045, 160.857]

Answer: 57.382


Question: [-48.196, 15.566, 65.782, 174.566, -91.786, 52.379, 2.658, 76.856]

Answer: 30.978


Question: [159.381, -84.046]

Answer:
37.668