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]: [26.857, -69.553, -37.942]
[A]: -26.879


[Q]: [112.026, 20.03, 73.595, -24.957, 185.718, 36.43, 206.024]
[A]: 86.981


[Q]: [39.88, 58.489, 225.343, 105.008, 210.581, 35.577]
[A]:
112.48