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: [-46.113, 125.487, 133.801, 230.957, 217.606, 147.203, -27.73, 66.455, -96.494]

Answer: 83.464


Question: [192.529, -67.249, 123.707, 41.987, 11.587, 202.189, 12.989]

Answer: 73.963


Question: [132.331, 36.825, 179.841, -55.073]

Answer:
73.481