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: [140.332, 92.06]

Output: 116.196


Input: Consider Input: [-94.286, 148.737, 234.8, 148.972]

Output: 109.556


Input: Consider Input: [175.313, 238.88, 58.386, -75.491, 126.316]


Output: 104.681