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: [78.523, 239.098, 9.698, 69.94]

Output: 99.315


Input: Consider Input: [73.331, 85.459, 59.798, -35.019]

Output: 45.892


Input: Consider Input: [200.147, 100.852, 38.464, -77.817, -93.418, 132.195]


Output: 50.07