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]: [51.02, -71.125, 178.19, -7.234, -99.571, -17.215]
[A]: 5.677


[Q]: [157.423, -98.775, -67.748, 25.759, 24.697, 150.289, -68.457, 212.57, -9.355]
[A]: 36.267


[Q]: [215.462, 87.029, 196.412]
[A]:
166.301