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: [159.381, -84.046]

Answer: 37.668


Question: [-47.309, -46.076, 191.14, -6.032, 4.858]

Answer: 19.316


Question: [93.58, 171.631, -57.691]

Answer:
69.173