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: [-27.872, -9.249, 218.646, -32.0, 49.715, 58.225, 118.489, 29.679, 31.407]

Answer: 48.56


Question: [192.74, 78.623, -5.937, 144.535]

Answer: 102.49


Question: [188.692, 126.766, -89.321, 187.553, 91.166, -21.606, 12.737, 149.633]

Answer:
80.703