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]: [171.439, 0.981, 42.253, 239.995, 129.938, -67.125, -69.565, -53.374, -51.357]
[A]: 38.132


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


[Q]: [-89.323, 135.914, 236.915, 121.352, 199.93, 205.53, 126.035, -90.563, -25.302]
[A]:
91.165