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: [-46.113, 125.487, 133.801, 230.957, 217.606, 147.203, -27.73, 66.455, -96.494]

Output: 83.464


Input: Consider Input: [80.285, 75.631, 5.715, -68.695, 134.225, 22.744, 63.203, 136.862, 60.995]

Output: 56.774


Input: Consider Input: [65.736, 236.475, 147.285, 42.065, 57.101]


Output: 109.732