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: [176.928, 146.579, 134.498, 146.776]

SOLUTION: 151.195

PROBLEM: [155.513, 206.938, 235.799]

SOLUTION: 199.417

PROBLEM: [60.245, 177.311, 243.865]

SOLUTION:
160.474