tkinter: Switch between two grids

[Terry Reedy]

On 12/12/2015 1:24 PM, sms wrote:

> What I need:
> 1. Fullscreen application

Not directly relevant to the below.

> 2. On the home screen: Three row
> 3. When I click on the main screen, it switches to one row only.

Create homescreen Frame(master=root) or subclasses thereof. Pack the 
homescreen.  When click, homescreen.pack_forget(), then create and and 
pack the other screen (with root as master).

-- 
Terry Jan Reedy