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.

[Q]: [215.854, -43.532, 51.416]
[A]: 74.579


[Q]: [93.72, 13.366, -44.452, -29.011, 56.593, 5.272, -20.162, 160.282, 44.017]
[A]: 31.069


[Q]: [-47.48, -30.165, 248.212, 201.326, 243.535]
[A]:
123.086