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: [182.327, 207.078, -87.123, 141.52, -24.424, 8.003, 153.564, 235.454, 130.112]

105.168