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: [-53.388, 31.309, 19.079, -16.926, 242.421, 210.599]

SOLUTION: 72.182

PROBLEM: [198.958, 97.355]

SOLUTION: 148.156

PROBLEM: [-95.761, 62.588, 226.51, 119.64, 127.272]

SOLUTION:
88.05