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: [176.448, 36.719, 196.363, -26.5, -57.937, 144.564, -41.88, 7.251, -72.878, 11.25]

37.34