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From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Newsgroups: comp.lang.python
Subject: Re: Question about code writing '% i, callback'
Date: Mon, 30 Nov 2015 20:44:09 -0500
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On Mon, 30 Nov 2015 10:55:23 -0800 (PST), fl <rxjwg98@gmail.com> declaimed
the following:

>Thanks Ian. I created the class because I want to use the original example
>line 
>
> UI.Button("button %s" % i, callback)
>
>Is there another way to use the above line without my class definition?
>I do feel that my created class does not match well with the above line
>because the first item "button %s" does not fit __self__ in the class.

	The first item passed to a method call is the instance object... In
this case, whatever "UI" is bound to.

	If it helps, think of 

		UI.Button("string", callback)
as
		Button(UI, "string", callback)

-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
    wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/