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: [-47.825, 2.521, -62.863, 8.438, 210.92, 95.93, -95.671]

15.921