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: [-82.27, 46.742, -60.547, 97.652, 121.66, 104.393, -43.603, 125.281, 42.318, 200.514]

Answer: 55.214


Question: [21.007, 48.739, -49.831, -22.699]

Answer: -0.696


Question: [183.579, 204.086, -55.275, -75.96, 144.491, 64.71, 180.828, 2.069, -28.085]

Answer:
68.938