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: [-44.471, 208.445, 208.318, -34.134]

Answer: 84.54


Question: [231.352, -24.17]

Answer: 103.591


Question: [233.453, -25.213, 142.087]

Answer:
116.776


