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: [140.332, 92.06]

Answer: 116.196


Question: [226.383, 37.978, 174.444, 117.212]

Answer: 139.004


Question: [-47.462, 69.283, 176.536, -64.153, 144.242]

Answer:
55.689


