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: [-44.977, 79.906, -20.036]

Answer: 4.964


Question: [25.58, 99.319, 165.429]

Answer: 96.776


Question: [-98.69, -9.429, 137.637, 11.095, 31.581, -54.876, -62.991, 132.5, 140.025]

Answer:
25.206