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: [-44.471, 208.445, 208.318, -34.134]

Output: 84.54


Input: Consider Input: [214.036, 24.752, 106.748, 206.9, 42.432, 233.646]

Output: 138.086


Input: Consider Input: [-23.861, 51.441, -0.64, 24.881, -45.009]


Output: 1.362