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: [1.435, 246.462, 5.433, -3.093, 31.948, 113.344, 41.816, 43.437, -93.129, 116.292]

Output: 50.395


Input: Consider Input: [171.439, 0.981, 42.253, 239.995, 129.938, -67.125, -69.565, -53.374, -51.357]

Output: 38.132


Input: Consider Input: [160.713, 125.985, 186.982, -94.178, 183.77]


Output: 112.654