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: [87.234, -30.861, 221.46, 120.15, -85.065, 67.024, 144.174, -64.546]

Answer: 57.446


Question: [148.261, -51.308, -98.748, -41.832, 44.313, -41.042, -19.943]

Answer: -8.614


Question: [-99.943, -18.081, 178.76, -29.169, 195.575, 193.453, -29.151, -49.794, 52.645]

Answer:
43.811