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: [-97.744, 153.416, 176.566, 146.602, 19.187, -45.119, 50.745, 248.65, -62.326, 163.608]

75.358