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: [79.132, 226.507, 40.498, 100.658, 75.361]

SOLUTION: 104.431

PROBLEM: [-19.769, 147.929, -36.133, 201.287, 28.528, -6.089, 122.533, 127.892, -36.662]

SOLUTION: 58.835

PROBLEM: [-85.019, 112.689, -26.082, 206.652, 174.103, 30.316, 139.997, 248.12, 117.027]

SOLUTION:
101.978