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: [108.26, -20.681, 127.479, -29.352]

Answer: 46.426


Question: [-6.099, 142.31]

Answer: 68.106


Question: [132.285, 136.956]

Answer:
134.62