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: [-51.072, 61.857, 156.347, 238.542, 46.277, 67.491, 168.841, 76.852]

95.642