7stud -- wrote in post #1087690:
> Nokan Emiro wrote in post #1087612:
>> Hi,
>>
>> What you do here is inserting a new Module into the ancestors chain.
>> (The superclass of class Dog doesn't change, it's still Animal.)
>>
>
> If Animal is the superclass of Dog, then why doesn't Animal's greet()
> method execute?  ancestors() and superclass() don't allows tell the truth.

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