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: [-66.271, 56.586, -21.072, 136.915, 54.951, 112.054]

Answer: 45.527


Question: [71.91, 41.513]

Answer: 56.712


Question: [101.464, 162.016, -61.742, 49.455, 47.439, 39.174, -30.228, 11.215, -59.37]

Answer:
28.825