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]: [-66.271, 56.586, -21.072, 136.915, 54.951, 112.054]
[A]: 45.527


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


[Q]: [221.003, 30.464]
[A]:
125.733