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.
[-49.197, 65.474, 84.269, 124.478, -94.567, -95.917, 226.369, -64.419]