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: [192.529, -67.249, 123.707, 41.987, 11.587, 202.189, 12.989]

Output: 73.963


Input: Consider Input: [-60.041, -56.779, 6.2, 73.114, 137.319]

Output: 19.963


Input: Consider Input: [183.4, 55.915, -49.5, 74.181]


Output: 65.999