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: [-32.499, 21.999, 235.435, 58.638, -57.806, 224.947, 74.782]

Output: 75.071


Input: Consider Input: [230.375, -45.327, 112.137, 109.305]

Output: 101.622


Input: Consider Input: [41.877, -55.049, 146.127]


Output: 44.318