How to split code into files in aiogram?

Question

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Is it possible and how to split the code into files? Discord.py has cogs for example. And in aiogram?

Answer 1

You can write functions, and then connect them via register_message_handler. So, for example, the dialog system connects nicely if fsm is used.
Here is an example EXAMPLE

Answer 2

You can write functions, and then connect them via register_message_handler.