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: [62.65, 155.504, 55.659, 77.757]

Output: 87.892


Input: Consider Input: [108.822, 139.139, 130.938, 100.996, 155.361, 8.752, 221.639, -12.877]

Output: 106.596


Input: Consider Input: [-43.113, 194.708, 21.635, 233.98, 232.055, -76.464, 48.366, 28.033, -54.157, 246.767]


Output: 83.181