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: [57.478, 212.225, -90.816, -10.092, 238.514, 60.36, 59.627]

Answer: 75.328


Question: [21.659, 63.646, -97.361]

Answer: -4.019


Question: [82.868, 35.737, -36.068, 158.792, 155.318, -26.79]

Answer:
61.643