"Last tutorial we covered ?parsing?. We broke a standard config
file up into separate lines and then we broke each line into pairs,
each pair having a ?key? and a ?value?. If we?re to edit the file,
we need a way to edit the values (and after that we?ll write the
edited values back to the config file). We?re going to see how to
use Tkinter to do that in this tutorial.
"Let?s start thinking about how a single key/value pair will
look. I am thinking of having the key on the left hand side with a
space to input the value on the right hand side. To do this we will
use the Label widget that we?ve met before and the Text widget.
Label is used to display static text ? ie text that will not be
edited, while the Text widget allows the user to edit the text
which is displayed in the widget, and for the program to read what
is entered in the widget. The Text widget is the GUI equivalent of
raw_input() that we met so long ago."
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