[Tutor] Fwd: Need help with find error

[Danny Yoo]

This was mailed just to me by accident.  Forwarding to tutor.
Apologies for not forwarding this ten days ago: I missed it.


---------- Forwarded message ----------
From: Андрей Пугачев <pugachov.andrey at gmail.com>
Date: Sat, Feb 7, 2015 at 12:27 AM
Subject: Re: [Tutor] Need help with find error
To: Danny Yoo <dyoo at hashcollision.org>


Sorry for my absense, but you want to say, that loop in code isn't
working? (in main()-function)
When category is empty code must print 2 last rows, but I have error....

I learn python book M. Dawson and this exercise from his book.
I add original working files, where points count as score +=1 and all works.
But if I add some points to each question code don't work.
I can't understand it/



2015-02-04 20:24 GMT+02:00 Danny Yoo <dyoo at hashcollision.org>:
>
> As a revision of my initial question, when we look at next_block(),
> it's documented as follows:
>
> ############################################
> def next_block(the_file):
>     """Return the next block of data from the trivia file."""
>     ....
> ############################################
>
> What if there are no more blocks in the file?  What should happen then?
>
> Let's say that we do a test, where we pass in the empty file to next_block().
>
> ######################
> from io import StringIO
> x = next_block(StringIO(''))
> ######################
>
> What do you want to happen in this situation?
>
> ---
>
> As a side note: if you have control over the data format, you might
> want to consider using JSON rather than a line-based format.  If you
> use JSON, this takes care of a few issues that you are working around
> now.
>
> For example, you can reuse the newline escapes rather than define your
> own convention.  Also, rather than read a stream of records, where you
> have to deal with the end of the file, you might just read one JSON
> object that represents your whole trivia file, which will simplify
> your program's logic.
>
> See: https://docs.python.org/2/library/json.html and use your favorite
> web search engine for 'json python tutorial', and you should be able
> to find some useful information.  If you have questions, please feel
> free to ask.
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