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: [108.822, 139.139, 130.938, 100.996, 155.361, 8.752, 221.639, -12.877]

SOLUTION: 106.596

PROBLEM: [-93.372, 58.665, 230.024, 208.635]

SOLUTION: 100.988

PROBLEM: [202.409, 102.881, 14.035, -72.959, -17.121, 206.426, -57.984, 245.299, -86.478]

SOLUTION:
59.612