Discussion regarding the book 'A Byte of Python'

[Swaroop C H <g2swaroop AT yahoo.com>]

Hey Manish,

Thanks for the feedback.
I've already changed some parts of the explanation in my working  
copy, but I'll check again regarding your suggestions :)

Thanks,
Swaroop C H
www.swaroopch.info




On 24-Jul-05, at 6:04 PM, Manish Malik wrote:

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>
> Hi,
>
> A quick note of Thanks for the book :-)
> and a suggestion:
>
> Chapter 6 (Control Flow), The while statement:
> - -----------------------------------------------
> "If there is an else clause for a while loop, it is always executed
> unless you have a while loop which loops forever without ever breaking
> out!"
>
> This is followed by:
> "The else-block is actually redundant since you can put those
> statements in the same block (as the while statement) after the while
> statement to get the same effect."
>
>
> Here, the reader may get an impression of the definiteness that the
> else-clause is *always* executed unless the while loops forever.
> However, this is not the case (as stated in the quoted text from
> 'break statement' section below.) The else-block is not redundant,
> since it may contain statements that need to be executed only in case
> of a non-break (i.e. not using the 'break' statement) exit from the  
> loop.
>
>
> A couple of sections later, 'The break statement':
> - --------------------------------------------------
>
> "An important note is that if you break out of a for or while loop,
> any corresponding loop else block is not executed."
>
>
> I would suggest that a reference to this fact be included in the
> 'while statement' section. This may get things straight for the user
> who reads this particular section in isolation.
>
> Comments?
>
> Thanks,
> Manish
>
> mm  .at. bbspals .dot. org
> mm .dot. bbspals .dot. org
>
>
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