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: [113.021, 101.946, -14.79, -8.555, -59.095, -74.169, 80.193, 157.87, 26.321, -19.87]

SOLUTION: 30.287

PROBLEM: [30.7, 241.916, 245.677, -26.708, 212.446, 81.786, 208.412, 237.096, 155.359]

SOLUTION: 154.076

PROBLEM: [121.474, 19.247, 219.886, 114.484, 247.174, -75.551, 50.376, 83.968, 23.265, 114.9]

SOLUTION:
91.922

