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: [65.486, -51.995, 170.628, -23.998, 83.128, -57.38, 130.737, 214.738]

Answer: 66.418


Question: [135.962, 136.509, 77.88, 148.448]

Answer: 124.7


Question: [-72.378, 35.575, -67.117, 246.868]

Answer:
35.737