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.

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

[EX Q]: [41.212, 221.072, 226.666, 3.688, 180.239, 142.767, 184.012, 63.249]
[EX A]: 132.863

[EX Q]: [149.427, 77.161, 73.68, 99.415, -56.392, -45.358, -46.051, 195.746]
[EX A]:
55.954