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: [38.065, 105.118, 236.473, 238.321, 168.164, 171.968, 34.444, 216.714]

151.158