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: [162.434, 99.656, 86.665, 13.03, 99.225, 43.608, -41.822, 206.671]

Answer: 83.683


Question: [54.715, 180.963, 239.308, 175.084, 147.044, 136.262, 184.009]

Answer: 159.626


Question: [86.433, 138.224, 193.806, 53.559, 40.299, 15.046, 212.04, 174.212, 172.282]

Answer:
120.656