18.5. Exercises
18-1. Client-Server Architecture. Describe the roles of a windows (or windowing) server and a windows client.
18-2. Object-Oriented Programming. Describe the relationship between child and parent windows.
18-3. Label widgets. Update the tkhello1.py script to display your own message instead of “Hello World!”
18-4. Label and Button widgets. Update the tkhello3.py script so that there are three new buttons in addition to the QUIT button. Pressing any of the three buttons will result in changing the text label so that it will then contain the text of the Button (widget) that was pressed.
18-5. Label, Button, and Radiobutton widgets. Modify your solution to the previous problem so that there are three Radiobuttons presenting the choices ...
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