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: [176.615, 63.331, 150.648, -99.487, 43.671, 240.534, 110.005, 210.746]

112.008