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: [218.807, 72.849, 7.838, 124.81, 45.929, 239.888]

Answer: 118.354

Question: [99.278, 72.353, -21.292]

Answer: 50.113

Question: [15.32, 225.178, 183.674, 115.255, 217.914, -0.017, 193.042, 57.041, 7.858, 63.571]

Answer:
107.884