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From: Anssi Saari <as@sci.fi>
Newsgroups: comp.lang.python
Subject: Re: should "self" be changed?
Date: Thu, 28 May 2015 17:07:11 +0300
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Marko Rauhamaa <marko@pacujo.net> writes:

> Ned Batchelder <ned@nedbatchelder.com>:
>
>> I would find it much clearer to not use a nested class at all, and
>> instead to pass the object into the constructor:
>
> Nested classes are excellent and expressing the state pattern <URL:
> http://en.wikipedia.org/wiki/State_pattern>.

Do you have an example of state pattern using nested classes and python?
With a quick look I didn't happen to find one in any language.