is for reliable?

[Marc 'BlackJack' Rintsch]

In <BmL%h.781$%k.3759 at twister2.libero.it>, pabloski at giochinternet.com
wrote:

> Hi to all I have a question about the for statement of python. I have the
> following piece of code where cachefilesSet is a set that contains the
> names of 1398 html files cached on my hard disk
> 
> [snipped code]
> 
> this code stops at the 473th file instead of reaching 1398
> 
> however I changed the for and substituted it with a while in this way
> 
> while cachefilesSet:
>     fn = cachefilesSet.pop()
>     .......
>     .......
> 
> the while loop reaches the 1398th file and is some 3-4 times faster than
> the for loop
> 
> How is this possible?

Good question.  ``for`` loops are of course reliable.  Can you give a
short self contained example that shows the behavior?

Ciao,
	Marc 'BlackJack' Rintsch