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: [89.776, -37.895, -45.315, 75.805, 144.052, 150.156]

SOLUTION: 62.763

PROBLEM: [41.308, 149.33, -33.086, -10.268, 209.148, -69.203, -68.646, -82.073, 83.754]

SOLUTION: 24.474

PROBLEM: [190.775, 236.289, 153.003, 41.187, 169.006, -45.169, -75.314, 52.859, 9.214]

SOLUTION:
81.317