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: [206.606, -76.103, -16.863, 44.126, 4.019, 15.088]

Output: 29.479


Input: Consider Input: [-20.702, 4.455, 37.838, 102.751, 231.6, -23.075, 236.527, 227.109, 171.708, 46.239]

Output: 101.445


Input: Consider Input: [19.314, 73.737, 132.099, 224.051, 53.872, 21.127, 182.113, -52.083, 185.871]


Output: 93.345