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: [-64.231, 200.235, -9.547, -98.817, 222.577, 12.8, 214.705, 122.883, 216.246, 113.126]

Answer: 92.998


Question: [-77.226, 44.49]

Answer: -16.368


Question: [146.815, 125.411, 84.472, -63.01, 79.256, -34.213, 248.004, -86.96, -39.397]

Answer:
51.153