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: [171.439, 0.981, 42.253, 239.995, 129.938, -67.125, -69.565, -53.374, -51.357]

SOLUTION: 38.132

PROBLEM: [9.828, 248.054, 20.871, 99.749, 52.797, -86.856, 65.438, 53.627]

SOLUTION: 57.939

PROBLEM: [-55.127, 213.489, 163.679, -39.68, 23.105, 0.931, 135.822]

SOLUTION:
63.174