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]: [-3.281, 84.204, -74.415, 151.616, 14.048, -98.313, 95.625, -79.981]
[EX A]: 11.188

[EX Q]: [179.144, 114.883, -6.86, 137.104, 4.024, 55.61, 169.274, -60.246, 66.322, -92.91]
[EX A]: 56.634

[EX Q]: [-17.042, 104.048, 34.069, 184.267]
[EX A]:
76.336