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: [80.493, 235.968, -57.18, 38.066, -86.511, 193.785, 156.598, 45.139, 61.791, 141.607]

Answer: 80.976

Question: [139.6, 119.652, 135.338, 171.029, 247.554, 222.19, -61.931, 120.928, 235.688]

Answer: 147.783

Question: [245.091, 201.984, 204.428, 222.046, 4.807, 21.497, -34.025, 160.097]

Answer:
128.241