My journey to becoming a web developer from scratch without a CS degree (and what I learned from…
Sergei Garcia

This piece is fantastic! Thanks so much for taking time to point out the terrible sources as well as the good ones. 
Under the category of concise video tutorials, I discovered Corey Schafer’s brief videos on object oriented Python. The full collection of clips, averaging about 15 minutes in length, cover many advanced topics, and his examples are superb. One of areas where many tutorials fall down is in giving enigmatic, and even nonsensical examples. Highly recommend checking them out:

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