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: [-2.425, -41.007, 142.975, 117.593, 142.875, -69.307, -38.932, 92.631, 158.921, 87.117]

Output: 59.044


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

Output: 91.124


Input: Consider Input: [-97.744, 153.416, 176.566, 146.602, 19.187, -45.119, 50.745, 248.65, -62.326, 163.608]


Output: 75.358