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: [-46.113, 125.487, 133.801, 230.957, 217.606, 147.203, -27.73, 66.455, -96.494]

Output: 83.464


Input: Consider Input: [-40.509, 201.39]


Output: 80.44