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: [87.234, -30.861, 221.46, 120.15, -85.065, 67.024, 144.174, -64.546]

Answer: 57.446


Question: [48.462, -80.347, -19.649, 180.664, -24.117]

Answer: 21.003


Question: [98.214, 215.946, 204.105, 125.849, 229.238, -20.862, 92.086]

Answer:
134.939