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: [38.24, 196.576, -84.173, -45.001, 1.607, 170.177, 234.811, -60.183, -91.513]

Output: 40.06


Input: Consider Input: [148.261, -51.308, -98.748, -41.832, 44.313, -41.042, -19.943]

Output: -8.614


Input: Consider Input: [89.776, -37.895, -45.315, 75.805, 144.052, 150.156]


Output: 62.763