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: [205.118, 101.679, 202.802, 144.052, -2.468, 239.04, -94.46, 214.193, 193.626]

Output: 133.731


Input: Consider Input: [155.513, 206.938, 235.799]

Output: 199.417


Input: Consider Input: [33.697, 209.242, 20.451, 82.093, 248.217, 146.229, -13.425, 24.126, 165.725, 210.947]


Output: 112.73