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: [182.34, 105.105, 248.658, 104.174, -98.917, -47.707, -61.048, 241.903, -34.659, 31.89]

Output: 67.174


Input: Consider Input: [43.554, 122.733, 40.669, 163.641]

Output: 92.649


Input: Consider Input: [153.347, -76.613, 223.775, -98.163, -5.921, 178.413, 37.438, 23.298, 63.622, 164.246]


Output: 66.344