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: [-3.857, -93.605, 43.857, -73.731, 84.094, -24.492, -41.811, 115.552, 231.429, 130.678]

SOLUTION: 36.811

PROBLEM: [203.45, 193.726, 199.582, 32.046, 74.008, 170.209, 121.427, -33.882, 78.136, -8.04]

SOLUTION: 103.066

PROBLEM: [204.247, 14.861, 25.294, -7.48, -34.313, -43.283, 138.433, 9.437, 123.092, -55.422]

SOLUTION:
37.487