Tkinter provides three modules that can create pop-up dialog windows for you:
Section 55.1, “The tkMessageBox
dialogs
module”, provides an assortment
of common pop-ups for simple tasks.
Section 55.2, “The tkFileDialog
module”, allows the user to
browse for files.
Section 55.3, “The tkColorChooser
module”, allows the user to
select a color.