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: [150.321, 169.658, 221.448, 54.785, 160.245, 9.534, 78.865, 229.753, 225.969]

Answer: 144.509


Question: [27.108, 247.344, 151.996, 178.085]

Answer:
151.133