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: [147.664, 167.561, 244.106, -42.988, 9.425, 79.806, 239.58]

Answer: 120.736


Question: [149.451, 230.29, 56.327, -72.328, -73.276, -90.669, 206.191, 87.481]

Answer: 61.683


Question: [203.759, 212.837, -91.708, 52.778, 114.595, 52.16, 240.988, 129.009, 135.674]

Answer:
116.677