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: [198.323, 108.702, 38.704, -8.85, 57.749, 108.604, -20.56, 229.826, -85.953, 177.128]

Answer: 80.367


Question: [213.149, 184.894, -93.544, 195.043, 78.738, 229.09, 220.609, 80.079, 7.498]

Answer: 123.951


Question: [214.156, 31.606, -72.608, -59.799, -54.565, 28.815, 62.658, 165.368, -63.207, 35.462]

Answer:
28.789