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: [15.32, 225.178, 183.674, 115.255, 217.914, -0.017, 193.042, 57.041, 7.858, 63.571]
Output:
107.884