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: [-6.305, 138.079, 112.522, 52.257, -2.129]

Answer: 58.885


Question: [-27.722, -35.758, 83.995, -7.374, 60.825, 165.182]

Answer: 39.858


Question: [190.218, -29.318, 105.994, -58.479]

Answer:
52.104