[Tutor] Best practice for generalizing and documenting each method's behaviour

[Bao Niu]

I'm starting a small project coding in Python as I learn the ropes. As the
project grows bigger, there are more and more overlapping and even
redundant methods. For example, several classes have a
checkAndClean_obj_state() method. If just one or two such classes, it is
easy to analyze the behaviour of them and design the optimal interaction
for all objects. However, when there are many of such classes, exactly at
what point to invoke check and clean behaviour becomes a little blurred.
There is a desperate need for generalizing and documenting the behaviour of
each such class, preferably in a flowchart. I'm currently doing the
flowchart manually but the job becomes a bit overwhelming.

I wonder what Python pros are using for analyzing and documenting
classes/functions behaviours and interactions? Is UML the only way?
Personally I found UML is a bit overkill for a one person project, but I'm
not sure if it is the right direction. I'd appreciate any insight. Many
thanks.
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