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: [-74.139, -62.711, 83.1, 211.243, -2.696, 30.722, 79.262, 230.335]

SOLUTION: 61.89

PROBLEM: [224.567, -42.213, 232.017]

SOLUTION: 138.124

PROBLEM: [52.537, 57.444, -44.53, 42.677, 62.07]

SOLUTION:
34.04