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: [234.272, 196.413, -92.425]

SOLUTION: 112.753

PROBLEM: [-57.148, -59.655, 208.462, 223.004, 100.684, 188.569]

SOLUTION: 100.653

PROBLEM: [150.252, 230.13, 193.394]

SOLUTION:
191.259