Where to have a function?

[XFFA.IR Bot]

I have a class "Country";
when i view my countries, i can fetch leagues from this countries.

But where i put the code? To Country, because i fetch leagues for a country?

Or to class League, because we talk about Leagues?

Also:
when i view my leagues, i can fetch teams and matches

But where i put the code? To League, because i fetch teams and matches for Leagues?

Or to the classes Team and Match?

Also i...

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