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: [128.328, 20.497, 96.178, 237.663, 80.568, 109.722]

SOLUTION: 112.159

PROBLEM: [-7.466, 108.972, -83.563, -63.654, 194.65, 163.163, 184.572, -34.262, 83.965, -87.951]

SOLUTION:
45.843