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: [77.498, 234.955, 184.005, -48.344, 113.167]

SOLUTION: 112.256

PROBLEM: [-58.447, 213.433, 187.859, 103.704]

SOLUTION: 111.637

PROBLEM: [191.023, -82.449, 205.733, 222.567, 173.38, 144.076]

SOLUTION:
142.388