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]: [238.315, 168.986, -67.694]
[A]: 113.202


[Q]: [157.423, -98.775, -67.748, 25.759, 24.697, 150.289, -68.457, 212.57, -9.355]
[A]: 36.267


[Q]: [-68.116, 53.386, 56.973]
[A]:
14.081