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: [213.2, 159.287, 214.859, 189.464, 185.706, -85.847, 215.647, 8.545]

SOLUTION: 137.608

PROBLEM: [91.408, 178.508, 77.081, 13.419, 185.372, 158.828]

SOLUTION: 117.436

PROBLEM: [134.971, 140.725, -75.484, 216.085]

SOLUTION:
104.074