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: [243.697, 165.796, 114.518, 207.298, 191.227]

Output: 184.507


Input: Consider Input: [-15.843, 236.17, -79.922, -29.879]

Output: 27.632


Input: Consider Input: [-62.835, 164.107, 109.39]


Output: 70.221


