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: [-53.388, 31.309, 19.079, -16.926, 242.421, 210.599]

SOLUTION: 72.182

PROBLEM: [178.719, 196.289, 125.624, 161.807, -1.578, -42.576, 211.912, 105.41]

SOLUTION:
116.951

