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: [194.026, 179.483, 77.885, 111.339, 234.419, 138.685]

Output: 155.973


Input: Consider Input: [-75.664, 192.225, 2.107, -86.22, -51.11]

Output: -3.732


Input: Consider Input: [63.095, 184.815, -40.433, 166.652, 99.845, 5.327, 10.495, 187.0, -4.594]


Output: 74.689