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]: [-55.198, 36.097, 190.132]
[A]: 57.01


[Q]: [225.697, 75.029]
[A]: 150.363


[Q]: [-33.609, 163.86, -20.657, 121.821, 205.856, 88.277, -93.024, 8.641, 200.345, 101.194]
[A]:
74.27