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]: [-69.698, 181.415, -43.045, 160.857]
[A]: 57.382


[Q]: [-13.67, 239.672]
[A]: 113.001


[Q]: [-95.173, 84.8, 35.182, 230.019, 129.892, -56.207, 11.839, 232.794, 214.094]
[A]:
87.471