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: [20.538, 100.835, -23.197, 207.707, -12.758, 152.97, 190.404]

Answer: 90.928


Question: [114.041, 53.494, 14.751, -0.392, -70.081, 116.8, 1.044, -50.731]

Answer: 22.366


Question: [-75.579, -19.294, 243.752, 167.559, 86.218, 48.102, 28.694, 31.259, 182.995]

Answer:
77.078