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]: [146.748, -23.736, 49.614]
[A]: 57.542


[Q]: [122.737, 189.477, -4.853, 150.031, 126.296, 240.809, 204.743, 29.178]
[A]: 132.302


[Q]: [18.673, 149.893, -56.034, 91.075]
[A]:
50.902