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]: [-33.746, 231.27, 122.704, -25.907, -56.96]
[EX A]: 47.472

[EX Q]: [-48.196, 15.566, 65.782, 174.566, -91.786, 52.379, 2.658, 76.856]
[EX A]: 30.978

[EX Q]: [125.861, 9.612, 91.682, 5.382, 111.319, -80.96, -22.551, 82.734, 236.247, 94.408]
[EX A]:
65.373