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: [-48.12, 192.63, 32.454, 132.703, -26.044, 140.006, -8.624, 38.438]

SOLUTION: 56.68

PROBLEM: [88.755, -64.951, 41.008]

SOLUTION: 21.604

PROBLEM: [-73.037, -76.301, 31.354, 39.428, -88.204]

SOLUTION:
-33.352