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: [236.753, 184.794, -45.415, 20.278, -41.34, 109.146, 176.83]

Output: 91.578


Input: Consider Input: [113.021, 101.946, -14.79, -8.555, -59.095, -74.169, 80.193, 157.87, 26.321, -19.87]

Output: 30.287


Input: Consider Input: [-36.901, 11.999]


Output: -12.451