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: [-31.241, 73.981, 127.71, 166.275, 35.028, -10.432]

Output: 60.22


Input: Consider Input: [195.019, 144.893, 32.821, -21.855, 136.755]

Output: 97.527


Input: Consider Input: [202.864, 18.484, -52.621, 18.206, -93.354, 194.237, -50.867]


Output: 33.85