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: [70.485, 231.704, -98.046, -30.011, 80.665, 168.282, 224.41]

Output: 92.498


Input: Consider Input: [102.524, 88.129, 196.972]

Output: 129.208


Input: Consider Input: [134.284, -70.923, 136.75, 32.831, 54.132]


Output: 57.415


