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: [181.256, -78.191, 162.427, -90.527, 123.709, 248.073]

Output: 91.124


Input: Consider Input: [-96.903, -1.489, 182.083, 196.779, -67.602, 202.143, -20.354, -24.817, 194.439]

Output: 62.698


Input: Consider Input: [-29.74, -41.589, 36.122]


Output: -11.736