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: [128.472, 149.361, 71.023, -96.651]

SOLUTION: 63.051

PROBLEM: [89.583, 153.453, 20.381, -17.436, -31.071, 91.041, 198.063]

SOLUTION: 72.002

PROBLEM: [202.94, 3.582, -24.344, 90.506, 139.485, -98.182, 211.305]

SOLUTION:
75.042