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: [-89.59, -15.783, 35.306, 46.851, 97.275, 19.027, 200.372, 62.551]

SOLUTION: 44.501

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

SOLUTION: 106.596

PROBLEM: [-8.87, 232.908, 141.714, -47.559, 161.192, 203.441]

SOLUTION:
113.804