Creating a listbox widget

The Tk listbox widget provides a powerful tool for collecting and displaying string data. Each entry is displayed on an individual line. Elements are added or deleted using the commands inherent to the widget. For screen size consideration, the listbox supports both horizontal and vertical scrolling.

The keywords are described in the Tk main pages as follows:

Standard Keyword	Interpretation
-background or bg	Specifies the background color to be used when drawing the element.
-borderwidth or -bd	Specifies a non-negative value indicating the width of the 3D border to draw around the outside of the window.
-cursor	Specifies the mouse cursor to be used for the window.
-disabledforeground	Specifies the color to use when displaying a disabled element.
-exportselection	Specifies if a selection within the widget should also be the X selection. This keyword accepts a Boolean value such as true, false, yes, no, 0, or 1.
-font	Specifies the font...