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: [30.823, -4.312, 126.79, 131.3, 195.176, 52.635, -71.028, 244.36, 33.597, 202.087]

94.143