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]: [171.805, 71.031, 36.192, 28.948, -58.045, 53.843]
[A]: 50.629


[Q]: [159.381, -84.046]
[A]: 37.668


[Q]: [-77.226, 44.49]
[A]:
-16.368


