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

Output: 80.367


Input: Consider Input: [-10.287, -0.47, 195.152, 209.845, -64.645, -82.959, 106.327]

Output: 50.423


Input: Consider Input: [-76.351, 51.621, 85.485, 77.139]


Output: 34.474