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: [53.271, 224.646, -66.568, -23.058, -60.09, 178.437, -70.082, 131.116]

Output: 45.959


Input: Consider Input: [-51.496, 56.177, 55.554, -17.425, -6.185, 3.721]

Output: 6.724


Input: Consider Input: [-87.627, 131.087, 142.37, -85.782, -98.177, 243.248, 110.981]


Output: 50.871