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: [91.408, 178.508, 77.081, 13.419, 185.372, 158.828]

Answer: 117.436


Question: [-44.354, 8.74, 34.514, 207.685]

Answer: 51.646


Question: [213.149, 184.894, -93.544, 195.043, 78.738, 229.09, 220.609, 80.079, 7.498]

Answer:
123.951