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: [-33.545, 38.711, -25.667, -17.684, 163.449, -94.125, 173.501, 6.966, 227.719, 135.107]

57.443