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: [32.962, 40.674, -70.729, 174.148, 76.203, 193.206, -61.932, -2.655, -75.513, 118.474]

42.484