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: [-19.13, 98.86, 158.686, 230.23]

SOLUTION: 117.161

PROBLEM: [155.513, 206.938, 235.799]

SOLUTION: 199.417

PROBLEM: [73.817, 126.553, 191.165, 89.223, 91.221, -3.113]

SOLUTION:
94.811