Method show

Lib/turtledemo/__main__.py:320–321

(help_label=help_label, help_file=help_file)

        for help_label, help_file in help_entries:
            def show(help_label=help_label, help_file=help_file):
                view_text(self.root, help_label, help_file)
            menu.add_command(label=help_label, command=show)
        return menu