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: [139.608, 17.516, 100.5, -51.362, 57.462, -77.569, -95.41, -24.339, -96.579]

Answer: -3.353


Question: [211.927, 190.941, -74.44, 7.991, -80.894, 48.291, 127.383, -51.774]

Answer: 47.428


Question: [-96.868, -96.843, 90.418, 59.488, 179.551, 130.535]

Answer:
44.38