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: [14.587, 49.21, -21.274, -54.714, 243.935, 218.436]

Answer: 75.03


Question: [113.021, 101.946, -14.79, -8.555, -59.095, -74.169, 80.193, 157.87, 26.321, -19.87]

Answer: 30.287


Question: [229.418, 94.324, 39.092, 211.928, 220.865, 108.323, 239.486, 18.68, 102.042]

Answer:
140.462