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: [124.333, 5.477, -53.787, 226.538, -40.577, -43.102, 214.118, 125.785, 151.837]

Output: 78.958


Input: Consider Input: [9.828, 248.054, 20.871, 99.749, 52.797, -86.856, 65.438, 53.627]

Output: 57.939


Input: Consider Input: [-35.683, -36.63, 70.899, 196.175, 21.635, 218.209]


Output: 72.434