Hello,

I would like some help with a problem presented in this video:
http://www.youtube.com/watch?v=sceTbcz_WGc

The problem is titled "Extra Credit" and it is near the very end of the video.

I managed to complete the first problem, but this one seems a lot harder and I'm not sure where to begin?>

Any help is appreciated! Thank you.

P.S.
Please tell me if homework help is not allowed.

Post your first code
it should'nt be too different

so according to your code a help will be given :)

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