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: [172.084, 126.948, 90.757]

Answer: 129.93


Question: [85.925, 218.341, -55.232, 136.11, 243.387, 98.158, 183.742, 85.875, 124.291, -95.213]

Answer: 102.538


Question: [32.867, 135.03, 16.501, 185.876, 51.026, 80.945, 104.725, -28.137, 101.092, -89.811]

Answer:
59.011