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: [93.433, 148.366, 19.269]

SOLUTION: 87.023

PROBLEM: [-3.281, 84.204, -74.415, 151.616, 14.048, -98.313, 95.625, -79.981]

SOLUTION: 11.188

PROBLEM: [92.325, 175.221, 2.069]

SOLUTION:
89.872