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: [175.015, 7.294, -30.146, 197.862, 76.557, 16.567, 176.301]

Output: 88.493


Input: Consider Input: [80.346, 228.37, 18.978, -42.02]

Output: 71.419


Input: Consider Input: [142.594, 106.465]


Output: 124.53