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: [112.53, -67.079, 177.313, 230.482, 57.316, -37.564]

SOLUTION: 78.833

PROBLEM: [-61.905, -98.66, 90.472, 237.317, 5.243, 196.933]

SOLUTION: 61.567

PROBLEM: [235.564, 119.951, 125.403, 4.13, 181.236, 68.992, 243.447, -38.958]

SOLUTION:
117.471