student question

Sat Jan 8 13:33:28 EST 2011

On Fri, 7 Jan 2011 18:42:45 -0800 (PST), John <jlsphar at gmail.com> wrote:
>>>> q_file = open(questions_location) #opens the document successfully
>>>> for line in q_file:
> 		print line
>> # prints document successfully
>>>> line
> # prints last line of document
>>>> for line in q_file:
> 		print line # prints nothing
>> ...why does it print nothing?

open(filename) returns an iterator, not a list. Once you
have exhausted the iterator, it stays exhausted.
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