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: [225.697, 75.029]

Answer: 150.363


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

Answer: 48.56


Question: [237.58, 4.466, -35.92, 21.365, -66.51, 84.583, -3.453, 120.534, 116.163, 48.733]

Answer:
52.754