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: [159.243, 17.964, 13.543, 175.402, -52.441, -34.741, 158.461]

Answer: 62.49


Question: [134.631, 27.106]

Answer: 80.868


Question: [227.507, 66.655, 118.205, -50.044]

Answer:
90.581