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: [65.486, -51.995, 170.628, -23.998, 83.128, -57.38, 130.737, 214.738]

Output: 66.418


Input: Consider Input: [82.748, 43.804, -13.469, 226.705, -7.478]

Output: 66.462


Input: Consider Input: [223.951, 2.518, 140.336, -38.799, 217.497, 212.153, 21.874]


Output: 111.361