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.
--------
Question: [80.346, 228.37, 18.978, -42.02]

Answer: 71.419


Question: [-65.295, 113.842, -82.683, 235.996, 143.686, 31.127, 135.386, 217.657, -87.331]

Answer: 71.376


Question: [244.931, 222.43, 163.311, -57.783, -34.839, 142.405]

Answer:
113.409