Python Program Debugging Episode 4 - Removing Global Variables from a Function

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The Program Debugging Series is dedicated to helping viewers of the Python Tutorial Series work through problems in their code. One of the biggest challenges I faced when learning to program years ago was that I didn't always understand the explanations I saw on the internet. It wasn't that the explanations were wrong, but I am a much more visual person and often times struggled to turn comments into action. I also found that sometimes, it was easier to show people examples of how to fix their code than it was to try to write those explanations out.

Each episode in this series will be based on code posted to the comments by a viewer of this channel. Rather than simply write a quick explanation of what needs to be fixed, we'll demonstrate, step by step, the debugging process and explain some of the simple mistakes that may have caused the bugs in the first place.

Are you struggling with a particular challenge program in the Python Tutorial Series? Post your code in the comments section and we may be able to work through your programs in a video. After all, for every 1 person that has a challenge, there are 20 others that are having similar problems but haven't asked yet.

Introductory music for this video provided royalty free courtesy of Purple Planet. To see a list of Royalty Free music available, visit their website located at:
Music: http://www.purple-planet.com