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]: [224.567, -42.213, 232.017]
[EX A]: 138.124

[EX Q]: [-60.041, -56.779, 6.2, 73.114, 137.319]
[EX A]: 19.963

[EX Q]: [-28.586, 155.564, -68.241, -51.503, 77.392, 201.724]
[EX A]:
47.725