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: [-64.231, 200.235, -9.547, -98.817, 222.577, 12.8, 214.705, 122.883, 216.246, 113.126]

SOLUTION: 92.998

PROBLEM: [159.381, -84.046]

SOLUTION: 37.668

PROBLEM: [204.581, -25.005, 47.493, -74.782, 21.48, 130.0]

SOLUTION:
50.628

