Definition: 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: [162.83, 184.838, -81.082, 114.027, 1.969, 133.714, -50.529, 119.637]

73.176