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: [-1.31, 169.522, -26.172, 111.289]

Answer: 63.332


Question: [-96.502, 12.006]

Answer: -42.248


Question: [17.657, 245.186, -98.142, 222.762, 132.598]

Answer:
104.012