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]: [161.683, 162.041, 187.429, -79.681, 60.809, 225.806]
[A]: 119.681


[Q]: [241.761, 131.957, -49.651, 233.982, 66.553, 87.147, -40.11]
[A]:
95.948


