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: [234.404, 162.933, 178.375, 10.683, 181.727, -50.587, 169.507, -72.896, 168.06, 238.363]

Output: 122.057


Input: Consider Input: [248.089, 9.064, -69.315, -16.093, 95.107, -73.12, 175.054, 52.865, 95.009]

Output: 57.407


Input: Consider Input: [7.525, -75.098, 180.37]


Output: 37.599