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: [24.119, 239.006, 239.873, 236.27, 134.34]

Output: 174.722


Input: Consider Input: [4.435, 100.482, 125.267, -76.982, 9.994, 192.069, 54.099, -40.749]

Output: 46.077


Input: Consider Input: [185.79, -37.447]


Output: 74.172


