strange for loop construct

Gabriel Genellina gagsl-py at yahoo.com.ar
Fri Jan 5 21:49:48 CET 2007


At Friday 5/1/2007 17:39, Sardaukary at gmail.com wrote:

>wordfreq = [wordlist.count(p) for p in wordlist]
>
>I would expect
>
>for p in wordlist:
>     wordfreq.append(wordlist.count(p))
>
>
>I didn't know you could have an expression in the same line.

That's known as a "list comprehension" and is roughly equivalent to 
your code. Section 5 of the tutorial covers them. 
http://docs.python.org/tut/node7.html


-- 
Gabriel Genellina
Softlab SRL 


	

	
		
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