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]: [-72.554, 9.809, 27.09, 190.698]
[A]: 38.761


[Q]: [156.41, 19.521, 110.08, -59.009, 49.787, 243.748, -25.285, -71.104, 131.859, -70.207]
[A]: 48.58


[Q]: [-7.89, 155.886]
[A]:
73.998