Create a function that helps you determine the number of houses sold in a certain month. Create a function that helps you determine the average sale amount for houses with a certain number of bedrooms and in a certain month. Create a function that helps you determine the average sale amount for houses with a certain number of bedrooms available in the dataset (i.e., 2 to 6 bedrooms). If a user inputs the argument for the number of bedrooms not available in the dataset (i.e., less