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: [77.498, 234.955, 184.005, -48.344, 113.167]

Answer: 112.256


Question: [80.493, 235.968, -57.18, 38.066, -86.511, 193.785, 156.598, 45.139, 61.791, 141.607]

Answer: 80.976


Question: [-28.892, 134.017, 232.205, -4.225, 45.492, 130.32]

Answer:
84.82