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: [157.14, 120.799, -55.651, -50.479, 89.067, 192.279, 57.227, 137.972]

Answer: 81.044


Question: [208.678, 219.921, 113.318, 23.83, -42.88, -32.702, -36.191, 117.84, 91.988]

Answer: 73.756


Question: [-25.521, 195.926, 77.241, 19.481, 25.586, 199.048, 149.617]

Answer:
91.625