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: [207.449, 85.584, -55.048, -10.53, 30.755]

Answer: 51.642


Question: [-15.843, 236.17, -79.922, -29.879]

Answer: 27.632


Question: [110.168, -58.14]

Answer:
26.014