Hi,

I am trying to create a django app as follow:

a Block with unique name can have few Flats. Flat name in each Block is 
unique but flat names can be the same in different Blocks and Flat name 
needs to be chosen from the range {Paprika, Water, Banana}. 
each Flat can have three rooms and room names are Blue, Red, Yellow.
there can be some people staying for a night in each room and the number of 
peoples can change daily.

so, 

you want to update number of people that stay in each room daily by either 
selecting specific room or selecting multiple rooms so you can update 
either one room or multiple rooms in one go.

Question 1: 

Am I right using right relationships: m2m with m2m relationship ? 

Blocks have m2m relationships with Flat names
Flat names have m2m relationship with Room names

Questions 2:

If relationships are correct than how can you update selected single or 
multiple rooms via two levels of m2m relationship ? 

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