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.
[-5.862, -15.045, 226.755, 183.685, 145.261, -38.91, -1.656, 110.068]