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: [10.724, -65.993, 107.56, 154.38, 117.135, 114.495, 11.544]

SOLUTION: 64.264

PROBLEM: [126.453, 169.516, 109.837, 208.695, 113.906, 56.894, 171.345, 126.81]

SOLUTION: 135.432

PROBLEM: [160.988, 148.209, 219.224, 80.26, 241.67, 204.329, 17.901, 147.173, -19.987, 126.036]

SOLUTION:
132.58