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]: [136.816, 121.886, 38.032, 81.322, -0.781, 112.95, 49.478, 219.21, -42.397]
[A]: 79.613


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


[Q]: [117.712, -36.612, -78.147, 243.298, 242.312, 126.511, 88.536, -90.895, 181.052, 117.98]
[A]:
91.175


