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]: [199.153, 182.13, -7.832, -60.259]
[A]: 78.298


[Q]: [237.861, 119.858, -8.107, -30.075, 180.524]
[A]: 100.012


[Q]: [64.067, -27.164, 40.172, -71.946, -49.466, 90.466]
[A]:
7.688