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: [132.047, -2.027, 97.041, -49.199, 29.646, 3.384, 104.121, 237.857, 5.555]

Answer: 62.047


Question: [128.916, 203.766]

Answer: 166.341


Question: [26.595, 220.402, -36.236, -79.382, -17.51, -71.282]

Answer:
7.098