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: [-51.709, 7.971, 56.819, 147.653, 82.016, 33.283, 17.84, -45.317, 152.854, 6.908]

Answer: 40.832


Question: [131.411, 161.606, 206.651, 7.559, 31.125, 58.299, 242.071, -50.712, 0.718]

Answer:
87.636