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: [132.047, -2.027, 97.041, -49.199, 29.646, 3.384, 104.121, 237.857, 5.555]

Output: 62.047


Input: Consider Input: [85.354, -22.629, 51.171, 238.376, 177.126, -90.135, -84.086, 175.426, -80.74]

Output: 49.985


Input: Consider Input: [81.06, -17.71, 87.716, 117.392]


Output: 67.114