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]: [220.903, 155.959]
[A]: 188.431


[Q]: [-24.069, 49.942, -56.199, 147.337, 81.429, 198.62, -91.886, 33.842, -16.712, -51.661]
[A]: 27.064


[Q]: [-1.938, 99.849, 140.899]
[A]:
79.603