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: [-27.115, -11.908, 125.703, 202.749, 139.333, 242.982, -93.292, 161.484]

SOLUTION: 92.492

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

SOLUTION: 57.939

PROBLEM: [249.605, 77.203, -51.328, 202.998, 45.449, 139.281, -42.166]

SOLUTION:
88.72