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: [236.753, 184.794, -45.415, 20.278, -41.34, 109.146, 176.83]

Output: 91.578


Input: Consider Input: [248.023, 57.595, -73.013, 200.246, 142.738, -70.94, -43.129, -7.477, 200.087, 6.452]

Output: 66.058


Input: Consider Input: [108.104, 248.572, 196.839]


Output: 184.505