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: [227.404, 94.456, 233.241, 147.762, -31.667, -62.22, -93.912]

SOLUTION: 73.581

PROBLEM: [17.002, 179.236, 60.396, 98.09]

SOLUTION: 88.681

PROBLEM: [156.794, 36.269, -64.951, -51.056, 168.473, 232.295, -31.459, 95.954]

SOLUTION:
67.79