Given the task definition and input, reply with output. 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.

[127.592, 0.243, 116.984, 205.689, 53.382, 214.986, -82.852, -12.646, 82.891, -55.781]

65.049