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: [-4.749, 102.787, -45.229, 184.111, 221.888, 22.727, 20.887, 34.094]

Answer: 67.065


Question: [-71.745, -18.239, 214.837, -22.915, 180.841, -4.641]

Answer: 46.356


Question: [-27.22, -27.244, -20.9, -41.079, 74.415, 30.173, 196.984, 218.79]

Answer:
50.49