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: [-71.118, 160.927, 230.116, -26.655, -4.297, 64.272, 72.304, 41.517, 242.068]

Output: 78.793


Input: Consider Input: [-61.056, 160.632, 141.971]


Output: 80.516