Definition: 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.
Input: [-82.244, 66.67, 205.157, 220.948, -43.587, 14.426, 39.861, 24.825]

55.757