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.
--------
Question: [9.392, -80.549]

Answer: -35.579


Question: [207.449, 85.584, -55.048, -10.53, 30.755]

Answer: 51.642


Question: [-99.685, 13.581, 173.381, -40.044, 110.553, 25.04]

Answer:
30.471