In this chapter, we have looked at a few widgets which did not make their way into our example applications.
We saw that the LabelFrame widget allows us to surround a group of widgets with a heading, which can be either hardcoded or tied to a Label widget.
The Checkbutton and Radiobutton widgets were demonstrated, and we saw how to bind them to Tkinter's variables, such as IntVar objects, in order to return the user's choices.
We learned about the OptionMenu and Combobox widgets, which are used to make a choice from a list of pre-defined options. The Combobox acts as a combination of an Entry widget and an OptionMenu widget, also allowing the user to enter their own value if necessary.
If we want to have a tabbed interface, we have now looked at how the Notebook widget allows us to display multiple frames in a window using tabs and we can assign each one a label...
