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: [72.755, 233.932, 245.785, 92.401]

SOLUTION: 161.218

PROBLEM: [43.554, 122.733, 40.669, 163.641]

SOLUTION: 92.649

PROBLEM: [166.542, 216.326, 98.969, -96.779, 33.532]

SOLUTION:
83.718