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: [-63.278, 115.92, 179.699, 73.157]

Answer: 76.374


Question: [-32.499, 21.999, 235.435, 58.638, -57.806, 224.947, 74.782]

Answer: 75.071


Question: [-71.418, 201.611, 148.882, -37.356]

Answer:
60.43