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: [218.807, 72.849, 7.838, 124.81, 45.929, 239.888]

Output: 118.354


Input: Consider Input: [9.392, -80.549]

Output: -35.579


Input: Consider Input: [206.277, 60.852, 245.567, 49.604]


Output: 140.575