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: [228.031, -85.617, 36.164]

SOLUTION: 59.526

PROBLEM: [22.093, -87.244, 132.342, -46.156, 125.128, 202.453]

SOLUTION:
58.103