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: [-48.196, 15.566, 65.782, 174.566, -91.786, 52.379, 2.658, 76.856]

Output: 30.978


Input: Consider Input: [139.6, 119.652, 135.338, 171.029, 247.554, 222.19, -61.931, 120.928, 235.688]

Output: 147.783


Input: Consider Input: [242.148, 97.472, -15.031, 246.784, 54.233, -27.114]


Output: 99.749