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: [181.256, -78.191, 162.427, -90.527, 123.709, 248.073]

Answer: 91.124


Question: [-1.833, 218.553, -61.132, -19.027, 87.034]

Answer: 44.719


Question: [249.671, -12.816, 21.299, 8.341, 141.384, 64.552, 165.886]

Answer:
91.188