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: [247.332, 97.053, 43.697, 51.168, -56.25, 163.444]

SOLUTION: 91.074

PROBLEM: [29.292, 193.26, -48.646]

SOLUTION: 57.969

PROBLEM: [39.517, 203.139, 228.414, -6.216, -68.859, 183.378, 30.169]

SOLUTION:
87.077