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: [149.451, 230.29, 56.327, -72.328, -73.276, -90.669, 206.191, 87.481]

SOLUTION: 61.683

PROBLEM: [-46.113, 125.487, 133.801, 230.957, 217.606, 147.203, -27.73, 66.455, -96.494]

SOLUTION: 83.464

PROBLEM: [-52.581, 5.629, 120.345, -3.244, 229.948, -20.784, -21.229, 90.361, 11.368, -68.349]

SOLUTION:
29.146

