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: [-82.094, 163.171, -35.384, 69.572]

Answer: 28.816


Question: [-49.786, 238.124, -20.697, 32.014]

Answer: 49.914


Question: [0.709, -54.663, 37.858]

Answer:
-5.365