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]: [148.261, -51.308, -98.748, -41.832, 44.313, -41.042, -19.943]
[A]: -8.614


[Q]: [21.531, 221.161, -31.194]
[A]: 70.499


[Q]: [-37.144, -55.265, 138.837, 117.883, 237.067, 59.077, 48.214]
[A]:
72.667