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]: [58.371, 4.131]
[A]: 31.251


[Q]: [203.976, 106.117, 62.128, -89.428, 180.453, 155.566, 213.868]
[A]: 118.954


[Q]: [-48.134, 206.609, -20.414]
[A]:
46.02