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: [182.805, 115.12, 112.276, -93.335, 191.826, 41.542, 11.564, 125.204, 70.811, 143.61]

90.142