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]: [12.155, 204.528, 85.84, 66.186]
[A]: 92.177


[Q]: [17.002, 179.236, 60.396, 98.09]
[A]: 88.681


[Q]: [247.564, -65.515, 5.247, 147.124]
[A]:
83.605