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: [47.595, -7.171, 4.333, 160.025, 152.275, 90.23, 128.643, 145.181]

Answer: 90.139


Question: [-78.906, 119.863, 44.561, 1.523]

Answer: 21.76


Question: [57.478, 212.225, -90.816, -10.092, 238.514, 60.36, 59.627]

Answer:
75.328