def index(self):
        """Produce HTTP response body of welcome app index URI."""
        # Ask for the user's name.
        return """
            <form action="greetUser" method="GET">
            What is your name?
            <input type="text" name="name" />
            <input type="submit" />
            </form>"""
Produce HTTP response body of welcome app index URI.
cherrypy/tutorial/tut03_get_and_post.py