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: [184.477, 178.133, 206.128, 148.349, 50.82, 33.624, 196.968, 179.804]

Output: 147.288


Input: Consider Input: [-66.271, 56.586, -21.072, 136.915, 54.951, 112.054]

Output: 45.527


Input: Consider Input: [-63.278, 115.92, 179.699, 73.157]


Output: 76.374