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: [-90.211, -60.08, 99.87, 18.704, 197.269, 173.722, 168.875]

Output: 72.593


Input: Consider Input: [113.238, 247.072, -31.448, -33.563, 74.519, 67.841]


Output: 72.943