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]: [2.81, 52.99, 55.279, 75.682, 73.835, 148.077, -54.162, 112.112]
[EX A]: 58.328

[EX Q]: [247.332, 97.053, 43.697, 51.168, -56.25, 163.444]
[EX A]: 91.074

[EX Q]: [213.406, 39.367, 42.708, 119.202]
[EX A]:
103.671