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: [48.462, -80.347, -19.649, 180.664, -24.117]

Answer: 21.003


Question: [51.02, -71.125, 178.19, -7.234, -99.571, -17.215]

Answer: 5.677


Question: [171.666, -76.948, 143.763]

Answer:
79.494