how to use __str__ and __repr__?

[Erik Max Francis]

Jim Newton wrote:

> thanks for responding,
> i was expecting class().__str__()
> to evaluate to the string "<__main__.another instance at 0x8132b64>"
> because that what print does with class().
> but alas it does not.
> 
> why does print class() not give me the same error as
> class().__str__()?
> that's what i do not understand.

In the example you gave, your class is derived from list, so it uses
list.__str__.  It's doing exactly what an object-oriented system should
do; defer to the base class.  Why do you think that's wrong?

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