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: [231.057, 71.527, 201.799, -5.17, -14.963, -35.693]

Output: 74.76


Input: Consider Input: [-71.745, -18.239, 214.837, -22.915, 180.841, -4.641]

Output: 46.356


Input: Consider Input: [52.7, 84.079, 117.951, 114.781, -56.099, 28.991, -32.33]


Output: 44.296