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: [-61.905, -98.66, 90.472, 237.317, 5.243, 196.933]

Answer: 61.567


Question: [74.43, 138.738, 114.237, 138.845, 188.957, 103.103, -43.988, -68.085, 157.274]

Answer: 89.279


Question: [24.106, 35.813, 171.297, 240.108]

Answer:
117.831