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: [66.666, -70.196, -39.152]

Answer: -14.227


Question: [80.493, 235.968, -57.18, 38.066, -86.511, 193.785, 156.598, 45.139, 61.791, 141.607]

Answer: 80.976


Question: [94.321, 137.727]

Answer:
116.024