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.
[80.498, 201.013, 182.812, 186.335, 57.298, 33.247, 177.558, 237.861]