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: [-10.287, -0.47, 195.152, 209.845, -64.645, -82.959, 106.327]

Answer: 50.423


Question: [217.301, 19.358, -21.02, -51.249]

Answer: 41.098


Question: [133.192, 63.648, 230.508, 160.372, 77.396, 104.918, 125.243, 197.82, 52.326, 127.281]

Answer:
127.27