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: [-44.354, 8.74, 34.514, 207.685]

Output: 51.646


Input: Consider Input: [204.235, -53.675, 201.303, 20.869]

Output: 93.183


Input: Consider Input: [166.723, 224.959, 90.835, 107.749, 46.549, -25.061, -93.156, -67.229, -76.888]


Output: 41.609