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]: [-33.746, 231.27, 122.704, -25.907, -56.96]
[A]: 47.472


[Q]: [-2.869, -88.698, 21.318]
[A]: -23.416


[Q]: [97.623, 222.056, 66.541]
[A]:
128.74