TASK 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.
PROBLEM: [219.428, 229.08, 24.616, -83.165, -28.839, 195.219, 170.491, -78.673]

SOLUTION: 81.02

PROBLEM: [-96.229, 200.453]

SOLUTION: 52.112

PROBLEM: [-94.198, 154.271, 120.59, -57.478]

SOLUTION:
30.796