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: [-95.427, -98.447]

SOLUTION: -96.937

PROBLEM: [178.931, 227.744, -94.385, 227.269, 27.205, -93.034, 243.507]

SOLUTION:
102.462

