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: [132.047, -2.027, 97.041, -49.199, 29.646, 3.384, 104.121, 237.857, 5.555]

SOLUTION: 62.047

PROBLEM: [179.929, 180.162, -63.896, -56.366, 233.638]

SOLUTION: 94.693

PROBLEM: [120.153, 196.121, 173.035, 124.255, -31.472]

SOLUTION:
116.418