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: [14.587, 49.21, -21.274, -54.714, 243.935, 218.436]

Output: 75.03


Input: Consider Input: [78.523, 239.098, 9.698, 69.94]

Output: 99.315


Input: Consider Input: [97.112, -21.863, 114.732, -13.867, 249.232]


Output: 85.069