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: [-8.87, 232.908, 141.714, -47.559, 161.192, 203.441]

Output: 113.804


Input: Consider Input: [234.272, 196.413, -92.425]

Output: 112.753


Input: Consider Input: [91.684, 39.617, -74.926, -92.674, -85.911, 211.766, -84.739]


Output: 0.688