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]: [-19.64, 5.69, 102.211, 159.062, 7.744, 242.03, 141.431, 105.364, 40.338]
[A]: 87.137


[Q]: [110.444, 23.089, -6.235, 112.579, 31.292, 190.857, 58.854, 148.587, 163.706, -5.219]
[A]: 82.795


[Q]: [39.954, 239.9, -47.987]
[A]:
77.289