It is common and fine to use module-level constants. Advice against globals is about not writing to globals.
My advice is: first understand what an object is and then you will get what a class is, as it's the general case of an object.
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I certainly can't teach this to you over Twitter for more than just the 140 character limit and the terrible threading.

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I know, I know. Thanks for all your help thus far.
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Good luck with it. I hope I haven't dissuaded you. Twitter is tough.
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No, definitely not dissuaded. Just a bit more confused :P. Thanks again!
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Who said (learning) programming is straight forward?
End of conversation
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