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: [41.212, 221.072, 226.666, 3.688, 180.239, 142.767, 184.012, 63.249]

Output: 132.863


Input: Consider Input: [130.781, 61.441, 49.933, 54.647, -3.04, 153.316, 30.724, 73.056, 130.841, 141.979]


Output: 82.368