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]: [146.748, -23.736, 49.614]
[A]: 57.542


[Q]: [211.927, 190.941, -74.44, 7.991, -80.894, 48.291, 127.383, -51.774]
[A]: 47.428


[Q]: [-36.981, 147.892]
[A]:
55.456


