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]: [82.748, 43.804, -13.469, 226.705, -7.478]
[A]: 66.462


[Q]: [-60.041, -56.779, 6.2, 73.114, 137.319]
[A]: 19.963


[Q]: [-51.259, -73.416, -39.507]
[A]:
-54.727