[Tutor] Pythonese/Efficiency/Generalese critique please

Kent Johnson kent37 at tds.net
Sun Jun 5 03:54:55 CEST 2005

Lee Cullens wrote:
> On Jun 4, 2005, at 6:54 PM, Kent Johnson wrote:
>>     dlst = os.listdir(pname)
>>     if len(dlst):
>>       for dlf in dlst:
>> There is no need for the if(dlst); if the list is empty the  iteration 
>> will do nothing. You can write this as
>>     for dlf in os.listdir(pname):
> Something I wrestled with - but as I needed to recognize an empty  
> directory I needed something to facilitate such ( the for else was no  
> help) so that is what I came up with and still don't see a way around.

Ah right, I missed that.

>> Some blank lines would aid readability. For example before each  
>> comment in cellpos() and before each elif in the main conditional  block.
> Good point.  I've been letting all the bright colors in WingIDE lull  me 
> into forgetting others may see just b&w.

I have syntax highlighting but I still use a lot of vertical white space to divide the code into small sections.


More information about the Tutor mailing list