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: [181.256, -78.191, 162.427, -90.527, 123.709, 248.073]

Output: 91.124


Input: Consider Input: [108.822, 139.139, 130.938, 100.996, 155.361, 8.752, 221.639, -12.877]

Output: 106.596


Input: Consider Input: [101.981, 13.052, 129.934, 7.076, 68.112, 208.26]


Output: 88.069