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: [29.292, 193.26, -48.646]

SOLUTION: 57.969

PROBLEM: [39.88, 58.489, 225.343, 105.008, 210.581, 35.577]

SOLUTION: 112.48

PROBLEM: [241.096, 27.244, 128.753, 14.938, 42.798]

SOLUTION:
90.966