Creating a GUI with Entry Fields

Final version

You will make your final edit and change the OptionMenus to Entry fields and let Pint figure out the rest. You will get rid of the dropdown menus and let the user type in the units. The last iteration of our converter program will look like this:

	Column 1	Column 2	Column 3
Row 1		Label saying “Converter”
Row 2	Label saying “Convert”	Entry field for inputting a str	Entry field for unit
Row 3		Label saying “into”
Row 4		Label that will eventually have the computed result	Entry field for unit
Row 5		Button saying “Calculate”

You need to edit the Column 3 widgets again. This time, you can get rid of any pressure lists and make the widget an open-ended Entry widget.