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: [61.739, -99.854, -53.677]

Output: -30.597


Input: Consider Input: [-10.548, 235.372, 62.362, 58.911, 83.851, 148.513, -94.587, -50.571, 117.327, 61.933]


Output: 61.256