class tkinter.ttk.Notebook
add(child, **kw)
Adds a new tab to the notebook. If window is currently managed by the notebook but hidden, it is restored to its previous position. See Tab Options for the list of available options.
forget(tab_id)
Removes the tab specified by tab_id, unmaps and unmanages the associated window.
hide(tab_id)
Hides the tab specified by tab_id. The tab will not be displayed, but the associated window remains managed by the notebook and its configuration