Writing a Python3 ttk.Notebook

[Rich Shepard]

On Fri, 15 Jan 2021, MRAB wrote:

> You should be adding the frames to the notebook. Also, the tabs are 
> 'self.tab1', not 'tab1', etc:
>         n.add(self.tab1, text='Activities')
> Similarly for the others.

Thanks. MRAB. This allows me to move on and put pre-built widget pages on
the tabs.

Regards,

Rich