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]: [16.256, 155.71, 43.059, -64.109, -42.445, 78.725, -12.941, 47.497]
[EX A]: 27.719

[EX Q]: [-82.094, 163.171, -35.384, 69.572]
[EX A]: 28.816

[EX Q]: [171.363, 171.587]
[EX A]:
171.475