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]: [71.91, 41.513]
[A]: 56.712


[Q]: [223.955, 41.858, -54.86, 8.742, 110.448]
[A]: 66.029


[Q]: [65.773, 123.905, 213.859, 169.293]
[A]:
143.208