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: [126.136, -23.429, -25.125, -32.203, 36.405, 44.406, 147.828, -97.708, -69.793, 235.046]

Answer: 34.156


Question: [-36.318, 176.066, 36.435, 132.732, -15.887, -24.851, 169.963, -98.796, 38.818]

Answer: 42.018


Question: [159.332, -99.73, -97.319, -0.091, 129.937, 152.291, -26.99, 80.148, -76.2, 86.403]

Answer:
30.778