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: [102.524, 88.129, 196.972]

SOLUTION: 129.208

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

SOLUTION: 72.182

PROBLEM: [28.892, 172.275, -34.932, 153.908, 73.699, 241.208, 191.266, 244.802, 226.589]

SOLUTION:
144.19