Python

1. How would you create a dictionary that maps "Kent" to "Denise" and maps "Steve" to "Lindy"? In these two cases "Kent" and "Steve" are the keys and "Denise" and "Lindy" are the values.

2. Write a short piece of code (3 lines) to create an empty dictionary and then map "Kent" to "Denise" and "Steve" to "Lindy". HINT: This would be called setting an item in the documentation in appendix E.

3. What is the loop and a half problem and how is it solved?

4. Do you need to use the solution to the loop and a half problem to read an XML file? Why or why not?

5. Polymorphism and Operator Overloading are closely related concepts. Briefly explain how the two concepts are similar and how Python supports them.

6. What is the purpose of a Frame object in a Tkinter program? What are three types of widgets in the Tkinter framework?