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: [165.647, 110.893, -83.152, -56.699, 19.53, 48.825, -64.043, 199.192, 249.46, 244.789]

SOLUTION: 83.444

PROBLEM: [-48.12, 192.63, 32.454, 132.703, -26.044, 140.006, -8.624, 38.438]

SOLUTION: 56.68

PROBLEM: [149.451, 230.29, 56.327, -72.328, -73.276, -90.669, 206.191, 87.481]

SOLUTION:
61.683