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: [179.929, 180.162, -63.896, -56.366, 233.638]

Output: 94.693


Input: Consider Input: [140.596, 20.144, 149.242, 92.447, -92.97, 137.685, 118.721, 153.251, 109.455]


Output: 92.063