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: [88.755, -64.951, 41.008]

SOLUTION: 21.604

PROBLEM: [-96.182, -37.177, 130.645, -44.92, -12.78, 90.335, -99.791, -11.926, 217.275]

SOLUTION: 15.053

PROBLEM: [-95.317, 234.28, 50.709, -52.738, 146.488, 94.792, 154.517, 113.549, 240.638]

SOLUTION:
98.546