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: [230.375, -45.327, 112.137, 109.305]

Answer: 101.622


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

Answer: 118.354


Question: [-75.704, -31.361, 79.286, 154.808, -82.324, 216.429, 54.074, -70.835, 164.234, 111.267]

Answer:
51.987