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]: [238.315, 168.986, -67.694]
[A]: 113.202


[Q]: [172.084, 126.948, 90.757]
[A]: 129.93


[Q]: [95.79, 198.471]
[A]:
147.13