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: [17.197, 152.985, 73.815]

Answer: 81.332


Question: [97.816, -78.424]

Answer: 9.696


Question: [203.935, -47.05, 7.383, 42.734, 211.077, -3.526]

Answer:
69.092