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: [9.392, -80.549]

SOLUTION: -35.579

PROBLEM: [213.2, 159.287, 214.859, 189.464, 185.706, -85.847, 215.647, 8.545]

SOLUTION: 137.608

PROBLEM: [182.854, 113.394, 233.144, 170.266, 40.784, 114.721, -91.394, 108.149]

SOLUTION:
108.99