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]: [182.852, 102.398, 200.428, -71.943, 50.578, -59.389, 0.465]
[EX A]: 57.913

[EX Q]: [-46.189, 122.469, -71.252, -73.617, 7.105, 122.457]
[EX A]:
10.162