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: [79.132, 226.507, 40.498, 100.658, 75.361]

Output: 104.431


Input: Consider Input: [165.647, 110.893, -83.152, -56.699, 19.53, 48.825, -64.043, 199.192, 249.46, 244.789]

Output: 83.444


Input: Consider Input: [65.763, 230.604, -36.342, 248.822, 108.597, 179.528]


Output: 132.829