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.
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Question: [-13.67, 239.672]

Answer: 113.001


Question: [14.818, 98.871, -79.033]

Answer: 11.552


Question: [7.177, 87.281, 34.876, -11.309, 171.893, -11.798, 15.157]

Answer:
41.897