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: [14.166, 216.734, -23.073, 209.811, 203.336, 91.659, 142.602, 1.151, -39.869, -54.838]

Output: 76.168


Input: Consider Input: [114.041, 53.494, 14.751, -0.392, -70.081, 116.8, 1.044, -50.731]

Output: 22.366


Input: Consider Input: [-98.008, 83.205, 68.043, -36.627, 37.526, 138.475, -48.73]


Output: 20.555