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: [219.336, -29.108, -41.612, 105.709]

Answer: 63.581


Question: [232.39, 28.124, 179.446, 228.788, 90.985, 60.823, 92.908]

Answer: 130.495


Question: [144.186, 111.502, 209.899, -66.28, 92.01, 134.181, -96.324, 69.264, 181.687]

Answer:
86.681