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: [188.006, 117.583, 51.262]

Answer: 118.95


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

Answer: 49.914


Question: [-12.212, 121.682, 243.266, 229.181]

Answer:
145.479