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: [121.069, 12.661, 159.825, -39.645, 6.609, 156.735, 110.054, 112.875]

Answer: 80.023


Question: [109.74, 169.0, 195.864, -1.043, 51.968, -56.564, 214.711, -78.61, 212.459, 228.74]

Answer: 104.626


Question: [231.736, 52.094, -26.175, -9.307, 130.372, -25.494, -72.662, 4.873, -1.681, 139.412]

Answer:
42.317