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: [-4.527, 190.006, 207.554, 178.685, -20.05, 13.024, 190.617, 37.539]

99.106