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]: [-66.387, 135.639, 182.921, 175.573, 105.67, -29.751, 156.67, 83.119, 19.538]
[A]: 84.777


[Q]: [54.715, 180.963, 239.308, 175.084, 147.044, 136.262, 184.009]
[A]: 159.626


[Q]: [-10.712, 211.213, 99.137, -65.274, 193.066]
[A]:
85.486