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: [-17.026, 165.89]

Answer: 74.432


Question: [124.333, 5.477, -53.787, 226.538, -40.577, -43.102, 214.118, 125.785, 151.837]

Answer: 78.958


Question: [35.368, -23.758, 205.937, 205.23, 164.6, 64.942, 24.652, -0.454]

Answer:
84.565