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: [102.553, 221.594, -69.406, 192.534, 139.703, -38.208, 228.963, 32.921]

Output: 101.332


Input: Consider Input: [184.477, 178.133, 206.128, 148.349, 50.82, 33.624, 196.968, 179.804]

Output: 147.288


Input: Consider Input: [-72.542, 208.876]


Output: 68.167