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: [82.748, 43.804, -13.469, 226.705, -7.478]

Answer: 66.462


Question: [30.224, 63.76, 96.876, 149.052, -38.974, 48.35, 133.493, 142.787, 10.958]

Answer: 70.725


Question: [144.791, 40.782, 56.067, -74.893, 206.791]

Answer:
74.708


