1. In general terms, when might you choose to use object embedding and composition instead of inheritance? 2. How might you modify the classes in this chapter to implement a personal contacts database...

1. In general terms, when might you choose to use object embedding and composition instead of inheritance? 2. How might you modify the classes in this chapter to implement a personal contacts database in Python? What is an abstract super class? 3. What happens when a simple assignment statement appears at the top level of a class statement? 4.Why might a class need to manually call the __init__ method in a superclass?