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: [206.606, -76.103, -16.863, 44.126, 4.019, 15.088]

SOLUTION: 29.479

PROBLEM: [230.375, -45.327, 112.137, 109.305]

SOLUTION: 101.622

PROBLEM: [120.273, 167.593, 113.918, 168.133, 138.341, 146.266, 152.463, 57.804]

SOLUTION:
133.099