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: [24.033, -64.753, -34.067, 184.957, 137.399, -94.547, 107.591, -78.624, 11.58, 64.935]

25.85