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: [32.131, 116.887, 66.741, 218.719, 106.049, -93.999]

Output: 74.421


Input: Consider Input: [210.345, 91.115]

Output: 150.73


Input: Consider Input: [121.503, -39.763, -45.009, 63.121, 207.895, 28.118, 148.793, -36.393]


Output: 56.033