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: [-32.557, -70.922, 191.786, 244.222]

SOLUTION: 83.132

PROBLEM: [37.853, 78.283, 143.128, 82.561, 181.661, -89.154, 50.037]

SOLUTION: 69.196

PROBLEM: [102.313, 175.9, 188.484, 87.534, -98.034, -72.871]

SOLUTION:
63.888