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: [48.122, -2.158, 12.547, -39.257, -62.936, 120.37, 133.697, 68.132, 93.801]

SOLUTION: 41.369

PROBLEM: [231.057, 71.527, 201.799, -5.17, -14.963, -35.693]

SOLUTION: 74.76

PROBLEM: [42.384, 147.392, 5.188, 209.73, -69.962, 230.239, 240.38, 25.261, 62.139]

SOLUTION:
99.195