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: [246.282, 231.815, 1.709, -51.234, -76.432, 21.802, 18.917, 106.734, 168.909, -67.647]

Output: 60.085


Input: Consider Input: [140.332, 92.06]

Output: 116.196


Input: Consider Input: [-48.46, 216.301, -72.8, 215.53]


Output: 77.643