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]: [-75.579, -19.294, 243.752, 167.559, 86.218, 48.102, 28.694, 31.259, 182.995]
[EX A]: 77.078

[EX Q]: [-4.527, 190.006, 207.554, 178.685, -20.05, 13.024, 190.617, 37.539]
[EX A]: 99.106

[EX Q]: [-95.209, 15.099, 141.733, 107.425, 132.078, 184.485]
[EX A]:
80.935