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: [157.423, -98.775, -67.748, 25.759, 24.697, 150.289, -68.457, 212.57, -9.355]

SOLUTION: 36.267

PROBLEM: [-4.527, 190.006, 207.554, 178.685, -20.05, 13.024, 190.617, 37.539]

SOLUTION: 99.106

PROBLEM: [151.271, -42.466, 75.918, -71.371, 206.428, 33.811, -80.568, -33.431]

SOLUTION:
29.949