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.

Input: Consider Input: [41.308, 149.33, -33.086, -10.268, 209.148, -69.203, -68.646, -82.073, 83.754]

Output: 24.474


Input: Consider Input: [233.742, -71.075]

Output: 81.333


Input: Consider Input: [-47.616, -60.048, 93.139, 189.224, 32.071, -92.293, 209.31, 116.618, 96.418]


Output: 59.647