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]: [-79.521, 169.962, 120.036, -71.612, -53.261, -90.734, -35.559, 140.419, 25.016]
[A]: 13.861


[Q]: [65.591, -56.104, -28.389, -22.521]
[A]: -10.356


[Q]: [-86.423, 157.154, 69.563, -67.516, 147.66, 216.018, 213.404]
[A]:
92.837