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: [128.152, 95.16, 70.113, -16.853]

Answer: 69.143


Question: [246.744, 206.484, 194.841]

Answer: 216.023


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

Answer:
61.567