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: [80.285, 75.631, 5.715, -68.695, 134.225, 22.744, 63.203, 136.862, 60.995]

Answer: 56.774


Question: [112.53, -67.079, 177.313, 230.482, 57.316, -37.564]

Answer: 78.833


Question: [-7.748, 138.413, 32.978, 224.023, 145.162]

Answer:
106.566