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: [-82.27, 46.742, -60.547, 97.652, 121.66, 104.393, -43.603, 125.281, 42.318, 200.514]

Output: 55.214


Input: Consider Input: [70.496, 183.122, 75.017, -19.287, 53.364, -12.389, 249.47, -88.484, 249.98, 35.226]

Output: 79.652


Input: Consider Input: [62.793, 230.498, 115.136, 223.819, 228.298, 52.2, -16.393, 111.376, 248.459]


Output: 139.576