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: [-40.246, -7.512, 174.245, -98.6]

Output: 6.972


Input: Consider Input: [246.358, -31.785, 138.298, 213.703, 114.724, 15.972]


Output: 116.212