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: [-12.392, 57.854, 59.291, -18.155, -94.56, 94.214, -38.912]

Answer: 6.763


Question: [126.453, 169.516, 109.837, 208.695, 113.906, 56.894, 171.345, 126.81]

Answer: 135.432


Question: [42.1, 149.408, 243.743, -11.86, -53.014, 73.183, 123.704, 208.789]

Answer:
97.007