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: [79.978, -44.051, 200.217, 142.486, -89.194, 55.999, 165.078, -3.615, 0.12, -44.323]

SOLUTION: 46.27

PROBLEM: [-51.625, 100.25, -75.262, -53.896]

SOLUTION: -20.133

PROBLEM: [-98.388, 210.844, 170.205, 128.375, 238.855, -71.188, -23.816]

SOLUTION:
79.27