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]: [1.222, 33.339, 163.969]
[A]: 66.177


[Q]: [197.424, 44.178, 136.316, 246.48, 98.472, -31.327, 41.411]
[A]: 104.708


[Q]: [159.477, -33.494, 246.349]
[A]:
124.111