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: [76.889, 179.836, 105.364]

Answer: 120.696


Question: [-9.301, -10.629, 88.777, 68.965]

Answer: 34.453


Question: [103.968, 40.869, 222.248, -58.154, 167.823, 172.128, 82.7, 222.189]

Answer:
119.221