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: [128.472, 149.361, 71.023, -96.651]

Answer: 63.051


Question: [217.043, 172.139, 0.164, 207.929, -72.972]

Answer:
104.861