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: [20.796, 39.383, -26.46, -27.224, 89.591, 87.502, 211.781, 127.87, 223.38]

Answer: 82.958


Question: [-13.67, 239.672]

Answer: 113.001


Question: [232.534, -88.976, 128.098, 107.623, 146.506, 99.757, 103.4, -50.318, 11.526, 236.434]

Answer:
92.658