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]: [129.453, 232.284, -34.595]
[A]: 109.047


[Q]: [213.149, 184.894, -93.544, 195.043, 78.738, 229.09, 220.609, 80.079, 7.498]
[A]: 123.951


[Q]: [29.28, 238.933, 229.916, 95.678, -5.517, 148.697, 249.423, -67.735, 21.392]
[A]:
104.452