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: [75.879, 43.123]

Answer: 59.501


Question: [-17.141, 203.132, -6.872, 155.222, -99.642]

Answer: 46.94


Question: [-99.204, -30.412, -34.7, 143.961, -33.23, 240.344, 211.004]

Answer:
56.823