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: [-2.772, 225.483, 211.749, 45.779, -82.623, 229.799, 107.783, 64.653]

Answer: 99.981


Question: [98.834, 143.231, 35.995, -64.696]

Answer: 53.341


Question: [154.264, 21.323, 234.472, 75.934, 201.278]

Answer:
137.454