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: [49.462, -87.869, 36.985, 94.248, 175.789]

Output: 53.723


Input: Consider Input: [-61.563, 49.659, 125.562, 130.542, 75.232, 197.442, 175.182, 54.736, 210.833, 65.27]

Output: 102.289


Input: Consider Input: [85.166, 231.233, -43.17, 185.268, 13.015, 22.189, 224.827, -77.577, 7.108, 9.902]


Output: 65.796