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: [-82.094, 163.171, -35.384, 69.572]

Output: 28.816


Input: Consider Input: [237.861, 119.858, -8.107, -30.075, 180.524]

Output: 100.012


Input: Consider Input: [205.188, 116.677, -18.826, 205.979, -45.328, -25.555]


Output: 73.023