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: [76.889, 179.836, 105.364]

SOLUTION: 120.696

PROBLEM: [219.336, -29.108, -41.612, 105.709]

SOLUTION: 63.581

PROBLEM: [208.192, -3.879, 81.774, 139.354]

SOLUTION:
106.36