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: [233.576, -37.102, -33.15, 51.594, -94.938, -78.841, -47.748, 97.964]

11.419