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: [-62.202, 222.562, -18.684, 67.674, -41.353, 134.927, -92.211]

Output: 30.102


Input: Consider Input: [159.381, -84.046]

Output: 37.668


Input: Consider Input: [145.466, 191.693, -37.663, 231.965, 175.925, 212.885, 241.65, -1.828, -87.743]


Output: 119.15