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: [23.632, 47.911, 95.884, 239.46, -68.225, 80.094, 111.959]

Output: 75.816


Input: Consider Input: [-7.892, -43.609, 46.236, -78.213, -76.066]

Output: -31.909


Input: Consider Input: [163.85, 231.97, 242.912, 109.111, 91.756]


Output: 167.92