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: [4.435, 100.482, 125.267, -76.982, 9.994, 192.069, 54.099, -40.749]

Output: 46.077


Input: Consider Input: [-19.64, 5.69, 102.211, 159.062, 7.744, 242.03, 141.431, 105.364, 40.338]

Output: 87.137


Input: Consider Input: [-43.374, 10.936]


Output: -16.219


