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: [-59.098, -22.489]

Answer: -40.794


Question: [-34.12, 34.539, -45.165, -18.658, -44.764, 198.851, 191.811]

Answer:
40.356