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: [-3.281, 84.204, -74.415, 151.616, 14.048, -98.313, 95.625, -79.981]

Output: 11.188


Input: Consider Input: [30.448, 132.545, 166.304, 202.59]

Output: 132.972


Input: Consider Input: [-65.755, -66.911, -64.358]


Output: -65.675