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: [-96.502, 12.006]

SOLUTION: -42.248

PROBLEM: [-1.31, 169.522, -26.172, 111.289]

SOLUTION: 63.332

PROBLEM: [10.986, -94.96, 243.109, 12.322, -15.849, 166.927, 108.517, 79.409, 103.702, 209.938]

SOLUTION:
82.41