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.

[-44.471, 208.445, 208.318, -34.134]
84.54

[110.671, -22.006, 168.421, 152.718, 116.702, -26.669, -55.023, -72.932]
46.485

[-11.4, 44.02, 112.619, -80.199]

16.26