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: [47.595, -7.171, 4.333, 160.025, 152.275, 90.23, 128.643, 145.181]

Output: 90.139


Input: Consider Input: [242.148, 97.472, -15.031, 246.784, 54.233, -27.114]

Output: 99.749


Input: Consider Input: [-71.939, -11.035, 40.708, 197.891, 138.006, 164.289, 28.858, 127.368]


Output: 76.768