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: [15.293, 221.056, 241.387, 81.3, 102.644, 146.885, -33.65, -36.56, -69.176]

Answer: 74.353


Question: [-94.649, -47.045, 244.483, 5.338, 243.43, -3.442, 16.366]

Answer: 52.069


Question: [-58.012, 129.229, -59.507, 151.245, 192.438, -46.879, -95.171]

Answer:
30.478