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: [-46.113, 125.487, 133.801, 230.957, 217.606, 147.203, -27.73, 66.455, -96.494]

Output: 83.464


Input: Consider Input: [-75.579, -19.294, 243.752, 167.559, 86.218, 48.102, 28.694, 31.259, 182.995]

Output: 77.078


Input: Consider Input: [-62.979, 248.63, 30.923, -50.368, 111.189, 91.564, 218.971, 249.551]


Output: 104.685