Tkinter, Python’s built-in GUI toolkit, makes it simple to create interactive, cross-platform desktop apps without extra setup. From basic calculators to feature-rich management tools, Tkinter ...

Code below has 1 major and 1 minor problem. Major issue is, once you push the button it visually stays pushed. Minor problem is, I run this in Cygwin. I've got an rxvt window behind the Tk window.