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: [126.177, 120.225, 231.498, 170.694, 34.361, 101.823, -21.468, 234.339]

Answer: 124.706


Question: [159.291, 160.61, -50.992, 34.053, 78.883, 222.627, 105.95]

Answer: 101.489


Question: [-76.174, 92.009, 188.773, 215.466]

Answer:
105.018