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: [-1.833, 218.553, -61.132, -19.027, 87.034]

SOLUTION: 44.719

PROBLEM: [-93.372, 58.665, 230.024, 208.635]

SOLUTION: 100.988

PROBLEM: [-64.683, -27.143]

SOLUTION:
-45.913