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: [-51.603, 117.351, -67.451, 218.664, 68.981, 167.005, -53.851, 104.996]

Answer: 63.012


Question: [-9.301, -10.629, 88.777, 68.965]

Answer: 34.453


Question: [90.392, 230.712, 105.948, -32.845, -34.99, 154.256, 84.567]

Answer:
85.434