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: [-27.722, -35.758, 83.995, -7.374, 60.825, 165.182]

Answer: 39.858


Question: [84.142, -99.804]

Answer: -7.831


Question: [-30.799, -64.686, -69.902, 119.235, 53.564, -51.703, 225.429, -78.343]

Answer:
12.849