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: [41.212, 221.072, 226.666, 3.688, 180.239, 142.767, 184.012, 63.249]

Output: 132.863


Input: Consider Input: [16.489, 13.77, -35.768, 59.656, 212.129, 55.812, 200.123]


Output: 74.602