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]: [18.155, 114.069, 197.871, -99.696, 201.18]
[A]: 86.316


[Q]: [128.472, 149.361, 71.023, -96.651]
[A]: 63.051


[Q]: [34.718, 46.286, 107.22, 181.771, -27.702, -66.747]
[A]:
45.924