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]: [206.606, -76.103, -16.863, 44.126, 4.019, 15.088]
[EX A]: 29.479

[EX Q]: [217.301, 19.358, -21.02, -51.249]
[EX A]: 41.098

[EX Q]: [-6.648, 235.825, 71.3, 74.263, 36.113, 50.775, 55.119, 223.542]
[EX A]:
92.536